{"id":250871,"date":"2022-05-30T15:12:33","date_gmt":"2022-05-30T14:12:33","guid":{"rendered":"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/"},"modified":"2022-05-30T16:41:23","modified_gmt":"2022-05-30T15:41:23","slug":"kotlin-1-7-0-beta","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ko\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/","title":{"rendered":"Kotlin 1.7.0-Beta \ub9b4\ub9ac\uc2a4"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy ez-toc-transparent\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\ubaa9\ucc28<\/p>\n<p><\/p>\n<\/div>\n<nav>\n<ul class=\"ez-toc-list ez-toc-list-level-1\">\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" title=\"\ube4c\ub354 \ucd94\ub860\uc5d0 \ub300\ud55c \ubcc0\uacbd \uc0ac\ud56d\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Changes_to_builder_inference\">\ube4c\ub354 \ucd94\ub860\uc5d0 \ub300\ud55c \ubcc0\uacbd \uc0ac\ud56d<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" title=\"min() \ubc0f max() \uceec\ub809\uc158 \ud568\uc218\uc758 \ubc18\ud658\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#The_return_of_the_min_and_max_collection_functions\">min() \ubc0f max() \uceec\ub809\uc158 \ud568\uc218\uc758 \ubc18\ud658<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" title=\"\ud655\uc2e4\ud788 nullable\uc774 \uc544\ub2cc \ud0c0\uc785\uc758 \uc548\uc815\ud654\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Stabilizing_of_definitely_non-nullable_types\">\ud655\uc815\uc801\uc73c\ub85c null \uac00\ub2a5\ud558\uc9c0 \uc54a\uc740 \ud0c0\uc785 \uc548\uc815\ud654<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" title=\"\ud2b9\uc815 \uc704\uce58\uc5d0\uc11c \uc815\uaddc\uc2dd\uacfc \uc77c\uce58\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Matching_with_Regex_at_a_particular_position\">\ud2b9\uc815 \uc704\uce58\uc5d0\uc11c \uc815\uaddc\uc2dd\uacfc \uc77c\uce58<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" title=\"\uc0c8\ub85c\uc6b4 Kotlin\/Native \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#New_KotlinNative_Memory_Manager\">\uc0c8\ub85c\uc6b4 Kotlin\/Native \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-6\" title=\"JS \ubc0f Native\uc5d0\uc11c \uba85\uba85\ub41c \ucea1\ucc98 \uadf8\ub8f9 \uc9c0\uc6d0\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Support_for_named_capturing_groups_in_JS_and_Native\">JS \ubc0f Native\uc5d0\uc11c \uba85\uba85\ub41c \ucea1\ucc98 \uadf8\ub8f9 \uc9c0\uc6d0<\/a>\n<ul class=\"ez-toc-list-level-3\">\n<li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" title=\"\uc774\ub984\uc744 \uae30\uc900\uc73c\ub85c \uc77c\uce58\ub41c \uadf8\ub8f9 \uac12 \uac00\uc838\uc624\uae30\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Retrieve_matched_group_value_by_name\">\uc774\ub984\uc744 \uae30\uc900\uc73c\ub85c \uc77c\uce58\ub41c \uadf8\ub8f9 \uac12 \ubd88\ub7ec\uc624\uae30<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" title=\"\uba85\uba85\ub41c \uc5ed\ucc38\uc870\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Named_backreferencing\">\uba85\uba85\ub41c \uc5ed\ucc38\uc870<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-9\" title=\"\ub300\uccb4 \ud45c\ud604\uc2dd\uc758 \uba85\uba85\ub41c \uadf8\ub8f9\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Named_groups_in_replacement_expressions\">\ub300\uccb4 \ud45c\ud604\uc2dd\uc758 \uba85\uba85\ub41c \uadf8\ub8f9<\/a><\/li>\n<\/ul>\n<\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-10\" title=\"\uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574 \ubcf4\uace0 \ud53c\ub4dc\ubc31\uc744 \ubcf4\ub0b4\uc8fc\uc138\uc694.&nbsp;\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Try_new_features_and_provide_feedback\">\uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574 \ubcf4\uace0 \ud53c\ub4dc\ubc31\uc744 \ubcf4\ub0b4\uc8fc\uc138\uc694.&nbsp;<\/a>\n<ul class=\"ez-toc-list-level-3\">\n<li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-11\" title=\"\ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c \uacbd\uc6b0:\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#If_you_run_into_any_problems\">\ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c \uacbd\uc6b0:<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-12\" title=\"\uc790\uc138\ud788 \uc77d\uc5b4\ubcf4\uae30\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#Read_more\">\uc790\uc138\ud788 \uc77d\uc5b4\ubcf4\uae30<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<p>Kotlin 1.7.0\uc758 \uccab \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc774 \ucd9c\uc2dc\ub418\uc5c8\uc2b5\ub2c8\ub2e4. Kotlin 1.7.0-Beta\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4! \uc774 \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc758 \uc77c\ubd80 \ud558\uc774\ub77c\uc774\ud2b8\ub294 \uc544\ub798\ub97c \ud655\uc778\ud574 \uc8fc\uc138\uc694.<\/p>\n<ul>\n<li>\ube4c\ub354 \ucd94\ub860\uc5d0 \ub300\ud55c \ubcc0\uacbd \uc0ac\ud56d.<\/li>\n<li>min() \ubc0f max() \uceec\ub809\uc158 \ud568\uc218\uc758 \ubc18\ud658.<\/li>\n<li>\ud655\uc815\uc801\uc73c\ub85c null \uac00\ub2a5\ud558\uc9c0 \uc54a\uc740 \ud0c0\uc785 \uc548\uc815\ud654.<\/li>\n<li>\uc0c8\ub85c\uc6b4 Kotlin\/Native \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\uc5d0 \ub300\ud55c \uc5c5\ub370\uc774\ud2b8.<\/li>\n<\/ul>\n<p>1.7.0-Beta\ub97c \uc124\uce58\ud558\uc5ec \uc774\ub7ec\ud55c \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574 \ubcf4\uace0 Kotlin 1.7.0 \uac1c\uc120\uc5d0 \ub3c4\uc6c0\uc774 \ub418\ub3c4\ub85d <a href=\"https:\/\/kotl.in\/issue\" target=\"_blank\" rel=\"noopener\">\ubb38\uc81c\ub97c \ubcf4\uace0<\/a>\ud574 \uc8fc\uc138\uc694.<\/p>\n<p>\ud5a5\ud6c4 \uac8c\uc2dc\ubb3c\uc5d0\uc11c \ub2e4\ub978 \ud765\ubbf8\ub85c\uc6b4 \uae30\ub2a5\uc5d0 \ub300\ud574 \uc54c\ub824 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c \ube14\ub85c\uadf8 \uac8c\uc2dc\ubb3c\ub3c4 \uae30\ub300\ud574 \uc8fc\uc138\uc694!<\/p>\n<p align=\"center\"><a class=\"ek-link jb-download-button\" title=\"Kotlin 1.7.0-Beta \uc124\uce58\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/05\/kotlin-1-7-0-beta\/#try-new-features\">Kotlin 1.7.0-Beta \uc124\uce58<\/a><\/p>\n<p>1.7.0\ubd80\ud130 &#8220;\ub9c8\uc77c\uc2a4\ud1a4&#8221;\uc744 &#8220;\ubca0\ud0c0&#8221;\ub85c \ubcc0\uacbd\ud558\uc5ec \ucd9c\uc2dc \uc8fc\uae30 \uc6a9\uc5b4\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub807\uac8c \uacb0\uc815\ud55c \ub370\ub294 \uba87 \uac00\uc9c0 \ubc30\uacbd\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>Kotlin \ube4c\ub4dc \uc6a9\uc5b4\ub97c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub9b4\ub9ac\uc2a4 \uc8fc\uae30\uc758 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Software_release_life_cycle#Beta\" target=\"_blank\" rel=\"noopener\">\ud45c\uc900 \uc6a9\uc5b4<\/a>\uc640 \ub354 \uc77c\uce58\uc2dc\ud0a4\uace0\uc790 \ud588\uc2b5\ub2c8\ub2e4. \ub354 \uc815\ud655\ud558\uac8c \ub9d0\ud558\uba74 &#8220;\ubca0\ud0c0&#8221;\ub294 \ud574\ub2f9 \ud2b9\uc815 \ubc84\uc804\uc5d0 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uc644\uc804\ud788 \ucd94\uac00\ud588\uace0 \uc548\uc815\ud654 \uc791\uc5c5\uc744 \uc9c4\ud589 \uc911\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2e4\uc81c\ub85c\ub294 \uc0ac\uc6a9\uc790 \ud53c\ub4dc\ubc31\uc5d0 \ub530\ub978 \ubcc0\uacbd\uc744 \ud3ec\ud568\ud558\uc5ec \ucd5c\uc885\uc801\uc73c\ub85c \ubcc0\uacbd\uc774 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<li>\uc5bc\ub9c8 \uc804, M-\ub9b4\ub9ac\uc2a4 \ucef4\ud30c\uc77c\ub7ec\uac00 \u201c\uc0ac\uc804 \ub9b4\ub9ac\uc2a4\u201d \ucf54\ub4dc\ub97c \uc0dd\uc131\ud588\uae30 \ub54c\ubb38\uc5d0, \uc774\ub7ec\ud55c \ubc84\uc804\uc744 \ud14c\uc2a4\ud2b8\ud558\uae30\uac00 \uc5b4\ub824\uc6cc\uc84c\uc2b5\ub2c8\ub2e4. \uc774\uc81c\ub294 \ub354 \uc774\uc0c1 \uadf8\ub7f4 \uc77c\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \uc800\ud76c\ub294 \ud63c\ub780\uc774 \uc0dd\uae30\ub294 \uac83\uc744 \uc6d0\ud558\uc9c0 \uc54a\uc73c\uba70 Kotlin \ubca0\ud0c0 \ubc84\uc804\uc744 \uc2dc\ud5d8\ud574 \ubcf4\ub294 \uacfc\uc815\uc740 \uac04\ub2e8\ud558\uba70 Kotlin \ud300\uc5d0\uc11c \uc801\uadf9 \uad8c\uc7a5\ud55c\ub2e4\ub294 \uc810\uc744 \uac15\uc870\ud558\uace0 \uc2f6\uc2b5\ub2c8\ub2e4.&nbsp;<\/li>\n<li>\ub9c8\uc9c0\ub9c9\uc73c\ub85c &#8220;\ubca0\ud0c0&#8221;\ub77c\ub294 \uc6a9\uc5b4 \uc790\uccb4\ub294 \ucee4\ubba4\ub2c8\ud2f0\ub85c\ubd80\ud130 \ud53c\ub4dc\ubc31\uc744 \uc694\uccad\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc800\ud76c\ub294 &#8220;\ubca0\ud0c0&#8221;\ub77c\ub294 \uc6a9\uc5b4\ub97c \uc0ac\uc6a9\ud558\uba74\uc11c, \uc5ec\ub7ec\ubd84\ub4e4\uc774 \ud53c\ub4dc\ubc31\uc744 \uacf5\uc720\ud574\uc8fc\uae30\ub97c \uc6d0\ud55c\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c\ub824\ub4dc\ub9ac\uace0\uc790 \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>Kotlin 1.7.0-Beta\ub97c \ud3c9\uac00\ud558\uace0 <a href=\"https:\/\/kotl.in\/issue\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a> \ubc0f <a href=\"https:\/\/kotlinlang.slack.com\/archives\/C0KLZSCHF\" target=\"_blank\" rel=\"noopener\">Slack<\/a>\uc5d0\uc11c \uc758\uacac\uc744 \uacf5\uc720\ud574 \uc8fc\uc138\uc694(Slack \uba64\ubc84\uac00 \ub418\uace0 \uc2f6\ub2e4\uba74 <a href=\"https:\/\/surveys.jetbrains.com\/s3\/kotlin-slack-sign-up\" target=\"_blank\" rel=\"noopener\">\ucd08\ub300 \uc2e0\uccad<\/a>\uc744 \ud574 \uc8fc\uc138\uc694).<\/p>\n<h2><span id=\"Changes_to_builder_inference\" class=\"ez-toc-section\"><\/span>\ube4c\ub354 \ucd94\ub860\uc5d0 \ub300\ud55c \ubcc0\uacbd \uc0ac\ud56d<\/h2>\n<p>\ube4c\ub354 \ucd94\ub860\uc740 \uc77c\ubc18 \ube4c\ub354 \ud568\uc218\ub97c \ud638\ucd9c\ud560 \ub54c \uc720\uc6a9\ud55c \ud2b9\uc218\ud55c \ud615\ud0dc\uc758 \ucd94\ub860\uc785\ub2c8\ub2e4. \ucef4\ud30c\uc77c\ub7ec\uac00 \ub78c\ub2e4 \uc778\uc218 \ub0b4\uc758 \ub2e4\ub978 \ud638\ucd9c\uc5d0 \ub300\ud55c \ud615\uc2dd \uc815\ubcf4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud638\ucd9c\uc758 \ud615\uc2dd \uc778\uc218\ub97c \uc720\ucd94\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n<p>Kotlin 1.7.0-Beta\uc5d0\ub294 \ube4c\ub354 \ucd94\ub860\uc5d0 \ub300\ud55c \ucd94\uac00\uc801\uc778 \ubcc0\uacbd \uc0ac\ud56d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ube4c\ub354 \ucd94\ub860\ub97c \uc548\uc815\ud654\ud558\uace0 <a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-45618\/Stabilize-builder-inference\" target=\"_blank\" rel=\"noopener\">\ub85c\ub4dc\ub9f5<\/a> \ud56d\ubaa9 \uc911 \ud558\ub098\uc758 \uc644\uc131\ub3c4\ub97c \ub192\uc774\ub294 \ub2e8\uacc4\uc5d0 \ud55c \uac78\uc74c \uac00\uae4c\uc774 \ub2e4\uac00\uc124 \uc218 \uc788\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ubc88 \ub9b4\ub9ac\uc2a4\uc5d0\uc11c\ub294 <a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew16.html#changes-to-builder-inference\" target=\"_blank\" rel=\"noopener\">\ubc84\uc804 1.6.0\uc5d0\uc11c \ub3c4\uc785\ub41c<\/a> <code>-Xenable-builder-inference<\/code> \ucef4\ud30c\uc77c\ub7ec \uc635\uc158\uc744 \uc9c0\uc815\ud558\uc9c0 \uc54a\uace0 \uc77c\ubc18 \ud0c0\uc785 \ucd94\ub860\uc774 \ud0c0\uc785\uc5d0 \ub300\ud55c \ucda9\ubd84\ud55c \uc815\ubcf4\ub97c \uc5bb\uc744 \uc218 \uc5c6\ub294 \uacbd\uc6b0 \ube4c\ub354 \ucd94\ub860\uc774 \uc790\ub3d9\uc73c\ub85c \ud65c\uc131\ud654\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc989, \uc774\uc81c \ucd94\uac00\uc801\uc778 \uc5b4\ub178\ud14c\uc774\uc158\uc774\ub098 \uc635\uc158\uc744 \uc801\uc6a9\ud558\uc9c0 \uc54a\uace0 \ube4c\ub354 \ud0c0\uc785 \ucd94\ub860\uc744 \uc0ac\uc6a9\ud558\ub294 \uace0\uc720\ud55c \ube4c\ub354\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/kotlinlang.org\/docs\/using-builders-with-builder-inference.html\" target=\"_blank\" rel=\"noopener\">\uc0ac\uc6a9\uc790 \uc9c0\uc815 \uc77c\ubc18 \ube4c\ub354\ub97c \uc791\uc131\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544 \ubcf4\uc138\uc694<\/a>.<\/p>\n<h2><span id=\"The_return_of_the_min_and_max_collection_functions\" class=\"ez-toc-section\"><\/span>min() \ubc0f max() \uceec\ub809\uc158 \ud568\uc218\uc758 \ubc18\ud658<\/h2>\n<p><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew14.html#collections\" target=\"_blank\" rel=\"noopener\">Kotlin 1.4<\/a>\uc5d0\uc11c\ub294 <code>min()<\/code> \ubc0f <code>max()<\/code> \uceec\ub809\uc158 \ud568\uc218\uc758 \uc774\ub984\uc744 <code>minOrNull()<\/code> \ubc0f <code>maxOrNull()<\/code>\ub85c \ubcc0\uacbd\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0c8 \uc774\ub984\uc740 \ub9ac\uc2dc\ubc84 \uceec\ub809\uc158\uc774 \ube44\uc5b4 \uc788\uc73c\uba74 <code>null<\/code>\uc744 \ubc18\ud658\ud558\ub294 \ub3d9\uc791\uc744 \ub354 \uc798 \ubc18\uc601\ud569\ub2c8\ub2e4. \ub610\ud55c \uc774\ub294 \ud568\uc218\uc758 \ub3d9\uc791\uc744 Kotlin \uceec\ub809\uc158 API \uc804\uccb4\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc774\ub984 \uc0dd\uc131 \uaddc\uce59\uacfc \uc77c\uce58\uc2dc\ud0a4\ub294 \ub370\ub3c4 \ub3c4\uc6c0\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ubaa8\ub450 Kotlin 1.4\uc5d0\uc11c <code>*OrNull()<\/code> \ub3d9\uc758\uc5b4\ub97c \uac00\uc9c0\uace0 \uc788\ub294 <code>minBy()<\/code>, <code>maxBy()<\/code>, <code>minWith()<\/code> \ubc0f <code>maxWith()<\/code>\uc758 \uacbd\uc6b0\uc5d0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc600\uc2b5\ub2c8\ub2e4. \uc774 \ubcc0\uacbd \uc0ac\ud56d\uc758 \uc601\ud5a5\uc744 \ubc1b\ub294 \uc774\uc804 \ud568\uc218\ub294 \uc810\ucc28\uc801\uc73c\ub85c \uc0ac\uc6a9\uc774 \uc911\ub2e8\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>Kotlin 1.7.0-Beta\ub294 \uc6d0\ub798 \ud568\uc218 \uc774\ub984\uc744 \ub2e4\uc2dc \ub3c4\uc785\ud558\uba74\uc11c\ub3c4 nullable\uc774 \uc544\ub2cc \ubc18\ud658 \ud0c0\uc785\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc0c8\ub85c\uc6cc\uc9c4 <code>min()<\/code>, <code>max()<\/code>, <code>minBy()<\/code>, <code>maxBy()<\/code>, <code>minWith()<\/code> \ubc0f <code>maxWith()<\/code>\ub294 \uc774\uc81c \uc5c4\uaca9\ud788 \uceec\ub809\uc158 \uc694\uc18c\ub97c \ubc18\ud658\ud558\uac70\ub098 \uc608\uc678\ub97c \ub358\uc9d1\ub2c8\ub2e4.<\/p>\n<p><!--\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">fun main() {\n    val numbers = listOf&lt;Int&gt;()\n    println(numbers.maxOrNull()) \/\/ \"null\"\n    println(numbers.max()) \/\/ \"Exception in\u2026 Collection is empty.\"\n}\n<\/pre>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n--><\/p>\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nfun main() {\n    val numbers = listOf&lt;Int&gt;()\n    println(numbers.maxOrNull()) \/\/ &quot;null&quot;\n    println(numbers.max()) \/\/ &quot;Exception in\u2026 Collection is empty.&quot;\n}\n<\/pre>\n\n\n<p>\uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-38854\" target=\"_blank\" rel=\"noopener\">YouTrack \uc774\uc288<\/a>\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<h2><span id=\"Stabilizing_of_definitely_non-nullable_types\" class=\"ez-toc-section\"><\/span>\ud655\uc815\uc801\uc73c\ub85c null \uac00\ub2a5\ud558\uc9c0 \uc54a\uc740 \ud0c0\uc785 \uc548\uc815\ud654<\/h2>\n<p>Kotlin 1.7.0\uc5d0\ub294 <a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1620.html#definitely-non-nullable-types\" target=\"_blank\" rel=\"noopener\">Kotlin 1.6.20\uc5d0 \ub3c4\uc785<\/a>\ub41c \ud655\uc815\uc801\uc73c\ub85c null \uac00\ub2a5\uc774 \uc544\ub2cc \ud0c0\uc785\uc774 \uc548\uc815\ud654\ub420 \uc608\uc815\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ud0c0\uc785\uc740 \uc77c\ubc18 Java \ud074\ub798\uc2a4 \ubc0f \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud655\uc7a5\ud560 \ub54c \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud574 \ucd94\uac00\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>Kotlin 1.6.20\uc774\ud6c4\ub85c\ub294 \uc0c8\ub85c\uc6b4 \uad6c\ubb38\uc778 <code>T &amp; Any<\/code>\uac00 \uc788\ub294 \uc0ac\uc6a9 \uc704\uce58\uc5d0\uc11c \uc77c\ubc18 \ud0c0\uc785 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud655\uc2e4\ud788 null \uac00\ub2a5\uc774 \uc544\ub2cc \uac83\uc73c\ub85c \ud45c\uc2dc\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uad6c\ubb38 \ud615\ud0dc\ub294 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Intersection_type\" target=\"_blank\" rel=\"noopener\">\uad50\ucc28 \ud0c0\uc785<\/a> \ud45c\uae30\uc5d0\uc11c \uc628 \uac83\uc774\uba70 \uc774\uc81c <code>&amp;<\/code>\uc758 \uc67c\ucabd\uc5d0 \uc788\ub294 null \uac00\ub2a5 \uc0c1\ud55c\uc120\uacfc \uc624\ub978\ucabd\uc758 null \uac00\ub2a5\ud558\uc9c0 \uc54a\uc740 <code>Any<\/code>\ub97c \uac00\uc9c4 \ud0c0\uc785 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/p>\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">fun &lt;T&gt; elvisLike(x: T, y: T &amp; Any): T &amp; Any = x ?: y\n\nfun main() {\n    elvisLike&lt;String&gt;(\"\", \"\").length \/\/ OK\n    elvisLike&lt;String&gt;(\"\", null).length \/\/ Error: 'null' cannot be a value of a non-null type\n\n    elvisLike&lt;String?&gt;(null, \"\").length \/\/ OK\n    elvisLike&lt;String?&gt;(null, null).length \/\/ Error: 'null' cannot be a value of a non-null type\n}\n<\/pre>\n<p>\uc774 \ubca0\ud0c0 \ub9b4\ub9ac\uc2a4\uc5d0\uc11c\ub294 \ud655\uc815\uc801\uc73c\ub85c null \uac00\ub2a5\ud558\uc9c0 \uc54a\uc740 \ud0c0\uc785\uc774 \uae30\ubcf8\uc801\uc73c\ub85c \ud65c\uc131\ud654\ub429\ub2c8\ub2e4. \ucd94\uac00\uc801\uc778 \uc124\uc815\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><a href=\"https:\/\/github.com\/Kotlin\/KEEP\/blob\/c72601cf35c1e95a541bb4b230edb474a6d1d1a8\/proposals\/definitely-non-nullable-types.md\" target=\"_blank\" rel=\"noopener\">KEEP<\/a>\uc5d0\uc11c \ud655\uc815\uc801\uc73c\ub85c null \uac00\ub2a5\ud558\uc9c0 \uc54a\uc740 \ud0c0\uc785\uc5d0 \ub300\ud574\uc11c \ub354 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>\n<h2><span id=\"Matching_with_Regex_at_a_particular_position\" class=\"ez-toc-section\"><\/span>\ud2b9\uc815 \uc704\uce58\uc5d0\uc11c \uc815\uaddc\uc2dd\uacfc \uc77c\uce58<\/h2>\n<p><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#matching-with-regex-at-a-particular-position\" target=\"_blank\" rel=\"noopener\">1.5.30\uc5d0 \ub3c4\uc785\ub41c<\/a> <code>Regex.matchAt()<\/code> \ubc0f <code>Regex.matchesAt()<\/code> \ud568\uc218\uac00 \uc774\uc81c \uc548\uc815\ud654 \ub2e8\uacc4\uc5d0 \uc654\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 <code>String<\/code> \ub610\ub294 <code>CharSequence<\/code>\uc758 \ud2b9\uc815 \uc704\uce58\uc5d0\uc11c \uc815\uaddc\uc2dd\uc774 \uc815\ud655\ud788 \uc77c\uce58\ud558\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><code>matchesAt()<\/code>\ub294 \uc77c\uce58\ub97c \ud655\uc778\ud558\uace0 \ubd80\uc6b8 \uacb0\uacfc\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4:<\/li>\n<\/ul>\n<pre class=\"kotlin-code\" style=\"visibility: hidden; padding: 36px 0;\" data-highlight-only=\"true\">fun main(){\n    val releaseText = \"Kotlin 1.7.0 is on its way!\"\n    \/\/ regular expression: one digit, dot, one digit, dot, one or more digits\n    val versionRegex = \"\\\\d[.]\\\\d[.]\\\\d+\".toRegex()\n\n    println(versionRegex.matchesAt(releaseText, 0)) \/\/ \"false\"\n    println(versionRegex.matchesAt(releaseText, 7)) \/\/ \"true\"\n}\n<\/pre>\n<ul>\n<li><code>matchAt()<\/code>\ub294 \uc77c\uce58\ud558\ub294 \ud56d\ubaa9\uc744 \ucc3e\uc73c\uba74 \ubc18\ud658\ud558\uace0, \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 <code>null<\/code>\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4:<\/li>\n<\/ul>\n<pre class=\"kotlin-code\" style=\"visibility: hidden; padding: 36px 0;\" data-highlight-only=\"true\">fun main(){\n    val releaseText = \"Kotlin 1.7.0 is on its way!\"\n    val versionRegex = \"\\\\d[.]\\\\d[.]\\\\d+\".toRegex()\n\n    println(versionRegex.matchAt(releaseText, 0)) \/\/ \"null\"\n    println(versionRegex.matchAt(releaseText, 7)?.value) \/\/ \"1.7.0\"\n}\n<\/pre>\n<p><a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-34021\" target=\"_blank\" rel=\"noopener\">\uc774 YouTrack \uc774\uc288<\/a>\uc5d0 \uc5ec\ub7ec\ubd84\uc758 \uc758\uacac\uc744 \ub0a8\uaca8 \uc8fc\uc138\uc694.<\/p>\n<h2><span id=\"New_KotlinNative_Memory_Manager\" class=\"ez-toc-section\"><\/span>\uc0c8\ub85c\uc6b4 Kotlin\/Native \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790<\/h2>\n<p>\uc800\ud76c\ub294 \uacc4\uc18d\ud574\uc11c \uc0ac\uc6a9\uc790\uc758 \ud53c\ub4dc\ubc31\uc744 \uc218\uc9d1\ud558\uace0 \uc0c8\ub85c\uc6b4 Kotlin\/Native \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\ub97c \uac1c\uc120\ud574 \ub098\uac08 \uac83\uc785\ub2c8\ub2e4. \uc9c0\uae08\uc740 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc54c\ud30c \ubc84\uc804\uc744 \uc0ac\uc6a9\ud574 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. Kotlin 1.7.0-Beta\ub294 \uac1c\ubc1c\uc790 \uacbd\ud5d8\uc744 \uac1c\uc120\ud574\uc904 \ucd94\uac00\uc801\uc778 \uc131\ub2a5 \uac1c\uc120\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc0c8\ub85c\uc6b4 \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\ub294 JVM\uacfc \ub124\uc774\ud2f0\ube0c \ud50c\ub7ab\ud3fc \uac04\uc758 \ucc28\uc774\uc810\uc744 \ud574\uc18c\ud558\uba70, \uba40\ud2f0\ud50c\ub7ab\ud3fc \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc77c\uad00\ub41c \uac1c\ubc1c\uc790 \uacbd\ud5d8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 Android\uc640 iOS \ubaa8\ub450\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uc0c8\ub85c\uc6b4 \ud06c\ub85c\uc2a4 \ud50c\ub7ab\ud3fc \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ud6e8\uc52c \uc27d\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc0c8\ub85c\uc6b4 Kotlin\/Native \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\ub294 \uc2a4\ub808\ub4dc \uac04 \uac1d\uccb4 \uacf5\uc720\uc5d0 \ub300\ud55c \uc81c\ud55c\uc744 \uc5c6\uc560\uc90d\ub2c8\ub2e4. \ub610\ud55c \uc548\uc804\ud558\uace0 \ud2b9\ubcc4\ud55c \uad00\ub9ac\ub098 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \ub204\ucd9c \uc5c6\ub294 \ub3d9\uc2dc \ud504\ub85c\uadf8\ub798\ubc0d \uae30\ubcf8 \ud0c0\uc785\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc0c8 \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\ub294 \ud5a5\ud6c4 \ubc84\uc804\uc5d0\uc11c \ub514\ud3f4\ud2b8 \uad00\ub9ac\uc790\uac00 \ub420 \uac83\uc774\ubbc0\ub85c \uc9c0\uae08 \uc0ac\uc6a9\ud574 \ubcfc \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\uc5d0 \ub300\ud574 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/try-the-new-kotlin-native-memory-manager-development-preview\/\">\uc790\uc138\ud788 \uc54c\uc544\ubcf4\uace0<\/a> \ub370\ubaa8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0b4\ud3b4\ubcf4\uac70\ub098 <a href=\"https:\/\/github.com\/JetBrains\/kotlin\/blob\/master\/kotlin-native\/NEW_MM.md\" target=\"_blank\" rel=\"noopener\">\ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc9c0\uce68<\/a>\uc73c\ub85c \ubc14\ub85c \uc774\ub3d9\ud558\uc5ec \uc9c1\uc811 \uc0ac\uc6a9\ud574 \ubcf4\uc138\uc694.<\/p>\n<p>\uc790\uc2e0\uc758 \ud504\ub85c\uc81d\ud2b8\uc5d0 \uc0c8\ub85c\uc6b4 \uba54\ubaa8\ub9ac \uad00\ub9ac\uc790\ub97c \uc0ac\uc6a9\ud574 \ubcf4\uace0 \uc791\ub3d9\uc744 \ud655\uc778\ud558\uc5ec \uc774\uc288 \ud2b8\ub798\ucee4\uc778 <a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-48525\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a>\uc5d0\uc11c \ud53c\ub4dc\ubc31\uc744 \uacf5\uc720\ud574 \uc8fc\uc138\uc694.<\/p>\n<h2><span id=\"Support_for_named_capturing_groups_in_JS_and_Native\" class=\"ez-toc-section\"><\/span>JS \ubc0f Native\uc5d0\uc11c \uba85\uba85\ub41c \ucea1\ucc98 \uadf8\ub8f9 \uc9c0\uc6d0<\/h2>\n<p>Kotlin 1.7.0-Beta\ubd80\ud130, \uba85\uba85\ub41c \ucea1\ucc98 \uadf8\ub8f9\uc774 JVM(1.8 \uc774\uc0c1)\ubfd0\ub9cc \uc544\ub2c8\ub77c JS \ubc0f Native\uc5d0\uc11c\ub3c4 \uc9c0\uc6d0\ub429\ub2c8\ub2e4.<\/p>\n<p>\ucea1\ucc98 \uadf8\ub8f9\uc5d0 \uc774\ub984\uc744 \uc9c0\uc815\ud558\ub824\uba74 \uc815\uaddc \ud45c\ud604\uc2dd\uc5d0\uc11c <code>(?&lt;name&gt;group)<\/code> \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\uc138\uc694. \uadf8\ub8f9\uacfc \uc77c\uce58\ud558\ub294 \ud14d\uc2a4\ud2b8\ub97c \uc5bb\uc73c\ub824\uba74 \uc0c8\ub85c \ub3c4\uc785\ub41c <a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.text\/get.html\" target=\"_blank\" rel=\"noopener\"><code>MatchGroupCollection.get()<\/code><\/a> \ud568\uc218\ub97c \ud638\ucd9c\ud558\uace0 \uadf8\ub8f9 \uc774\ub984\uc744 \uc804\ub2ec\ud558\uc138\uc694.<\/p>\n<h3><span id=\"Retrieve_matched_group_value_by_name\" class=\"ez-toc-section\"><\/span>\uc774\ub984\uc744 \uae30\uc900\uc73c\ub85c \uc77c\uce58\ub41c \uadf8\ub8f9 \uac12 \ubd88\ub7ec\uc624\uae30<\/h3>\n<p>\ub3c4\uc2dc \uc88c\ud45c\ub97c \uc77c\uce58\uc2dc\ud0a4\ub294 \uc774 \uc608\uc81c\ub97c \uace0\ub824\ud574 \ubcf4\uc138\uc694. \uc815\uaddc \ud45c\ud604\uc2dd\uacfc \uc77c\uce58\ud558\ub294 \uadf8\ub8f9 \uceec\ub809\uc158\uc744 \uac00\uc838\uc624\ub824\uba74 <a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.text\/-match-result\/groups.html\" target=\"_blank\" rel=\"noopener\"><code>groups<\/code><\/a>\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. <code>value<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc88\ud638(\uc0c9\uc778) \ubc0f \uc774\ub984\ubcc4\ub85c \uadf8\ub8f9\uc758 \ub0b4\uc6a9\uc744 \ubd88\ub7ec\uc628 \uacb0\uacfc\ub97c \ube44\uad50\ud574 \ubcf4\uc138\uc694.<\/p>\n<pre class=\"kotlin-code\" style=\"visibility: hidden; padding: 36px 0;\" data-highlight-only=\"true\">fun main() {\n    val regex = \"\\\\b(?&lt;city&gt;[A-Za-z\\\\s]+),\\\\s(?&lt;state&gt;[A-Z]{2}):\\\\s(?&lt;areaCode&gt;[0-9]{3})\\\\b\".toRegex()\n    val input = \"Coordinates: Austin, TX: 123\"\n \n    val match = regex.find(input)!!\n    println(match.groups[\"city\"]?.value) \/\/ \"Austin\" \u2014 by name\n    println(match.groups[2]?.value) \/\/ \"TX\" \u2014 by number\n}\n<\/pre>\n<h3><span id=\"Named_backreferencing\" class=\"ez-toc-section\"><\/span>\uba85\uba85\ub41c \uc5ed\ucc38\uc870<\/h3>\n<p>\uc774\uc81c \uadf8\ub8f9\uc744 \uc5ed\ucc38\uc870\ud560 \ub54c \uadf8\ub8f9 \uc774\ub984\uc744 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc5ed\ucc38\uc870\ub294 \ucea1\ucc98 \uadf8\ub8f9\uc774 \uc774\uc804\uc5d0 \uc77c\uce58\ud55c \ud14d\uc2a4\ud2b8\uc640 \ub3d9\uc77c\ud55c \ud14d\uc2a4\ud2b8\ub97c \uc77c\uce58\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc815\uaddc \ud45c\ud604\uc2dd\uc5d0\uc11c <code>\\k&lt;name&gt;<\/code>&nbsp; \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<pre class=\"kotlin-code\" style=\"visibility: hidden; padding: 36px 0;\" data-highlight-only=\"true\">fun backRef() {\n    val regex = \"(?&lt;title&gt;\\\\w+), yes \\\\k&lt;title&gt;\".toRegex()\n    val match = regex.find(\"Do you copy? Sir, yes Sir!\")!!\n    println(match.value) \/\/ \"Sir, yes Sir\"\n    println(match.groups[\"title\"]?.value) \/\/ \"Sir\"\n}\n<\/pre>\n<h3><span id=\"Named_groups_in_replacement_expressions\" class=\"ez-toc-section\"><\/span>\ub300\uccb4 \ud45c\ud604\uc2dd\uc758 \uba85\uba85\ub41c \uadf8\ub8f9<\/h3>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uba85\uba85\ub41c \uadf8\ub8f9 \ucc38\uc870\ub97c \ub300\uccb4 \ud45c\ud604\uc2dd\uacfc \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc785\ub825\uc5d0\uc11c \ubaa8\ub4e0 \uc815\uaddc \ud45c\ud604\uc2dd\uc758 \ubaa8\ub4e0 \ubc1c\uc0dd \uc704\uce58\ub97c \ub300\uccb4 \ud45c\ud604\uc2dd\uc73c\ub85c \ubc14\uafb8\ub294 <a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.text\/-regex\/replace.html\" target=\"_blank\" rel=\"noopener\"><code>replace()<\/code><\/a> \ud568\uc218\uc640 \uccab \ubc88\uc9f8\ub85c \uc77c\uce58\ud55c \ud56d\ubaa9\ub9cc \ubc14\uafb8\ub294 <a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.text\/-regex\/replace-first.html\" target=\"_blank\" rel=\"noopener\"><code>replaceFirst()<!--1 --><\/code><\/a><code> \ud568\uc218\ub97c \uace0\ub824\ud574 \ubcf4\uc138\uc694.<\/code><\/p>\n<p>\ub300\uccb4 \ubb38\uc790\uc5f4\uc5d0 \uc788\ub294 \ubaa8\ub4e0 <code>${name}<\/code>\uc774 \ub098\ud0c0\ub098\ub294 \uacbd\uc6b0\uc5d4 \ud2b9\uc815 \uc774\ub984\uc73c\ub85c \ucea1\uccd0\ub41c \uadf8\ub8f9\uc5d0 \ud574\ub2f9\ud558\ub294 \ud558\uc704 \uc2dc\ud000\uc2a4\ub85c \ub300\uccb4\ub429\ub2c8\ub2e4. \uc774\ub984\ubcc4 \ubc0f \uc0c9\uc778\ubcc4\ub85c \uadf8\ub8f9 \ucc38\uc870\uc758 \ub300\uccb4 \ud56d\ubaa9\uc744 \ube44\uad50\ud569\ub2c8\ub2e4:<\/p>\n<pre class=\"kotlin-code\" style=\"visibility: hidden; padding: 36px 0;\" data-highlight-only=\"true\">fun dateReplace() {\n    val dateRegex = Regex(\"(?&lt;dd&gt;\\\\d{2})-(?&lt;mm&gt;\\\\d{2})-(?&lt;yyyy&gt;\\\\d{4})\")\n    val input = \"Date of birth: 27-04-2022\"\n    println(dateRegex.replace(input, \"\\${yyyy}-\\${mm}-\\${dd}\")) \/\/ \"Date of birth: 2022-04-27\"  \u2014 by name\n    println(dateRegex.replace(input, \"\\$3-\\$2-\\$1\")) \/\/ \"Date of birth: 2022-04-27\" \u2014 by number\n}\n<\/pre>\n<h2 id=\"try-new-features\"><span id=\"Try_new_features_and_provide_feedback\" class=\"ez-toc-section\"><\/span>\uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574 \ubcf4\uace0 \ud53c\ub4dc\ubc31\uc744 \ubcf4\ub0b4\uc8fc\uc138\uc694.&nbsp;<\/h2>\n<p>\uc774\ub7ec\ud55c \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc740 1.7.0 \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc778 Kotlin 1.7.0-Beta\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a> \ub610\ub294 <a href=\"https:\/\/developer.android.com\/studio\/preview\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a> IDE\uc5d0 \uc774 \ubc84\uc804\uc744 \uc27d\uac8c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\">\n<p>Android Studio \ud50c\ub7ec\uadf8\uc778 \uc774\ub984 \ubcc0\uacbd(\ubca0\ud0c0)\uc73c\ub85c \uc778\ud574 1.6.20 \uc774\uc0c1 \ubc84\uc804\uc5d0\uc11c \ud50c\ub7ec\uadf8\uc778 \uc124\uce58\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<p>\ub2e4\uc74c \ubc29\ubc95 \uc911 \ud558\ub098\ub85c Kotlin 1.7.0-Beta\ub97c \uc124\uce58\ud558\uc138\uc694.<\/p>\n<ul>\n<li><em>\uc5bc\ub9ac \uc561\uc138\uc2a4 \ud14c\uc2a4\ud2b8 \ubc84\uc804<\/em> \uc5c5\ub370\uc774\ud2b8 \ucc44\ub110\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 IDE\ub294 1.7.0-Beta\uac00 \uc81c\uacf5\ub418\ub294 \uc989\uc2dc \uc790\ub3d9 \uc5c5\ub370\uc774\ud2b8\ub97c \uc81c\uc548\ud569\ub2c8\ub2e4.<\/li>\n<li><em>\uc548\uc815\ud654<\/em> \uc5c5\ub370\uc774\ud2b8 \ucc44\ub110\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, IDE\uc5d0\uc11c <strong>Tools(\ub3c4\uad6c)<\/strong> | <strong>Kotlin<\/strong> | <strong>Configure Kotlin Plugin Updates(Kotlin \ud50c\ub7ec\uadf8\uc778 \uc5c5\ub370\uc774\ud2b8 \uad6c\uc131)<\/strong>\ub97c \uc120\ud0dd\ud558\uc5ec \uc5b8\uc81c\ub4e0\uc9c0 \ucc44\ub110\uc744 <em>\uc5bc\ub9ac \uc561\uc138\uc2a4 \ud14c\uc2a4\ud2b8 \ubc84\uc804<\/em>\uc73c\ub85c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ucd5c\uc2e0 \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc744 \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"https:\/\/kotlinlang.org\/docs\/install-eap-plugin.html\" target=\"_blank\" rel=\"noopener\">\uc774 \uc9c0\uce68<\/a>\uc744 \ud655\uc778\ud558\uc138\uc694.<\/li>\n<\/ul>\n<p>\ub2e4\uc74c IDE\uc758 \ucd5c\uc2e0 \ubc84\uc804\uc744 \uc5b8\uc81c\ub4e0\uc9c0 \ub2e4\uc6b4\ub85c\ub4dc\ud558\uc5ec \uad11\ubc94\uc704\ud55c Kotlin \uc9c0\uc6d0\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ub2e4\uc591\ud55c \ud50c\ub7ab\ud3fc\uc6a9 Kotlin \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\uae30 \uc704\ud55c <a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a><\/li>\n<li>Android \ubc0f \ud06c\ub85c\uc2a4 \ud50c\ub7ab\ud3fc \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 \ub3c4\uc640\uc8fc\ub294 <a href=\"https:\/\/developer.android.com\/studio\/preview\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a><\/li>\n<\/ul>\n<p>1.7.0-Beta\ub97c \uc124\uce58\ud55c \ud6c4\uc5d0\ub294 \uc78a\uc9c0 \ub9d0\uace0 \ube4c\ub4dc \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c <a href=\"https:\/\/kotlinlang.org\/docs\/configure-build-for-eap.html\" target=\"_blank\" rel=\"noopener\">Kotlin \ubc84\uc804\uc744 1.7.0-Beta\ub85c \ubcc0\uacbd<\/a>\ud558\uc138\uc694.<\/p>\n<h3><span id=\"If_you_run_into_any_problems\" class=\"ez-toc-section\"><\/span>\ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c \uacbd\uc6b0:<\/h3>\n<ul>\n<li><a href=\"https:\/\/kotl.in\/issue\" target=\"_blank\" rel=\"noopener\">\uc774\uc288 \ud2b8\ub798\ucee4\uc778 YouTrack<\/a>\uc5d0 \ubb38\uc81c\ub97c \ubcf4\uace0\ud574 \uc8fc\uc138\uc694.<\/li>\n<li><a href=\"https:\/\/app.slack.com\/client\/T09229ZC6\/C0KLZSCHF\" target=\"_blank\" rel=\"noopener\">Kotlin Slack\uc758 #eap \ucc44\ub110<\/a>\uc5d0\uc11c \ud544\uc694\ud55c \ub3c4\uc6c0\uc744 \ubc1b\uc73c\uc138\uc694(<a href=\"https:\/\/surveys.jetbrains.com\/s3\/kotlin-slack-sign-up\" target=\"_blank\" rel=\"noopener\">\ucd08\ub300 \ubc1b\uae30<\/a>).<\/li>\n<li>\ucd5c\uc2e0 \uc548\uc815\ud654 \ubc84\uc804\uc73c\ub85c \ub864\ubc31\ud558\uc138\uc694. <a href=\"https:\/\/kotlinlang.org\/docs\/install-eap-plugin.html#if-you-run-into-any-problems\" target=\"_blank\" rel=\"noopener\">\uc790\uc138\ud788 \uc54c\uc544\ubcf4\uae30<\/a><\/li>\n<\/ul>\n<h3><span id=\"Read_more\" class=\"ez-toc-section\"><\/span>\uc790\uc138\ud788 \uc77d\uc5b4\ubcf4\uae30<\/h3>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/eap.html\" target=\"_blank\" rel=\"noopener\">\uc5bc\ub9ac \uc561\uc138\uc2a4 \ud14c\uc2a4\ud2b8\uc5d0 \ucc38\uc5ec\ud558\uae30<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/roadmap.html\" target=\"_blank\" rel=\"noopener\">Kotlin \ub85c\ub4dc\ub9f5<\/a><\/li>\n<\/ul>\n<p><em>\uac8c\uc2dc\ubb3c \uc6d0\ubb38 \uc791\uc131\uc790<\/em><\/p>\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":964,"featured_media":244615,"comment_status":"closed","ping_status":"closed","template":"","categories":[826],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/250871"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/users\/964"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/comments?post=250871"}],"version-history":[{"count":10,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/250871\/revisions"}],"predecessor-version":[{"id":251201,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/250871\/revisions\/251201"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media\/244615"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media?parent=250871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/categories?post=250871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/tags?post=250871"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/cross-post-tag?post=250871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}