Strict mode Passingnon-Strict mode Passing
Features:
- regexp-named-groups
// Copyright (C) 2020 Apple Inc. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- author: Michael Saboff description: Exotic named group names in Unicode RegExps esid: prod-GroupSpecifier features: [regexp-named-groups] ---*/ /* Valid ID_Start / ID_Continue Unicode characters π \u{1d453} \ud835 \udc53 π \u{1d45c} \ud835 \udc5c π₯ \u{id465} \ud835 \udc65 π \u{1d4d3} \ud835 \udcd3 πΈ \u{1d4f8} \ud835 \udcf8 π° \u{1d4f0} \ud835 \udcf0 π \u{1d4d1} \ud835 \udcd1 π» \u{1d4fb} \ud835 \udcfb πΈ \u{1d4f8} \ud835 \udcf8 π \u{1d500} \ud835 \udd00 π· \u{1d4f7} \ud835 \udcf7 π° \u{1d5b0} \ud835 \uddb0 π‘ \u{1d5a1} \ud835 \udda1 π₯ \u{1d5a5} \ud835 \udda5 (fox) ηΈ \u{72f8} \u72f8 (dog) η \u{72d7} \u72d7 Valid ID_Continue Unicode characters (Can't be first identifier character.) π \u{1d7da} \ud835 \udfda Invalid ID_Start / ID_Continue (fox face emoji) π¦ \u{1f98a} \ud83e \udd8a (dog emoji) π \u{1f415} \ud83d \udc15 */ var string = "The quick brown fox jumped over the lazy dog's back"; var string2 = "It is a dog eat dog world."; let match = null; assert.sameValue(string.match(/(?<animal>fox|dog)/u).groups.animal, "fox"); assert.sameValue(string.match(/(?<the2>the)/u).groups.the2, "the"); match = string.match(/(?<πππ₯>fox).*(?<ππΈπ°>dog)/u); assert.sameValue(match.groups.πππ₯, "fox"); assert.sameValue(match.groups.ππΈπ°, "dog"); assert.sameValue(match[1], "fox"); assert.sameValue(match[2], "dog"); match = string.match(/(?<ηΈ>fox).*(?<η>dog)/u); assert.sameValue(match.groups.ηΈ, "fox"); assert.sameValue(match.groups.η, "dog"); assert.sameValue(match[1], "fox"); assert.sameValue(match[2], "dog"); assert.sameValue(string.match(/(?<ππ»πΈππ·>brown)/u).groups.ππ»πΈππ·, "brown"); assert.sameValue(string.match(/(?<ππ»πΈππ·>brown)/u).groups.\u{1d4d1}\u{1d4fb}\u{1d4f8}\u{1d500}\u{1d4f7}, "brown"); assert.sameValue(string.match(/(?<\u{1d4d1}\u{1d4fb}\u{1d4f8}\u{1d500}\u{1d4f7}>brown)/u).groups.ππ»πΈππ·, "brown"); assert.sameValue(string.match(/(?<\u{1d4d1}\u{1d4fb}\u{1d4f8}\u{1d500}\u{1d4f7}>brown)/u).groups.\u{1d4d1}\u{1d4fb}\u{1d4f8}\u{1d500}\u{1d4f7}, "brown"); assert.sameValue(string.match(/(?<\ud835\udcd1\ud835\udcfb\ud835\udcf8\ud835\udd00\ud835\udcf7>brown)/u).groups.ππ»πΈππ·, "brown"); assert.sameValue(string.match(/(?<\ud835\udcd1\ud835\udcfb\ud835\udcf8\ud835\udd00\ud835\udcf7>brown)/u).groups.\u{1d4d1}\u{1d4fb}\u{1d4f8}\u{1d500}\u{1d4f7}, "brown"); assert.sameValue(string.match(/(?<π°π‘π₯>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<π°π‘\u{1d5a5}>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<π°\u{1d5a1}π₯>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<π°\u{1d5a1}\u{1d5a5}>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<\u{1d5b0}π‘π₯>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<\u{1d5b0}π‘\u{1d5a5}>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<\u{1d5b0}\u{1d5a1}π₯>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<\u{1d5b0}\u{1d5a1}\u{1d5a5}>q\w*\W\w*\W\w*)/u).groups.π°π‘π₯, "quick brown fox"); assert.sameValue(string.match(/(?<theπ>the)/u).groups.theπ, "the"); assert.sameValue(string.match(/(?<the\u{1d7da}>the)/u).groups.theπ, "the"); assert.sameValue(string.match(/(?<the\ud835\udfda>the)/u).groups.theπ, "the"); match = string2.match(/(?<dog>dog)(.*?)(\k<dog>)/u); assert.sameValue(match.groups.dog, "dog"); assert.sameValue(match[1], "dog"); assert.sameValue(match[2], " eat "); assert.sameValue(match[3], "dog"); match = string2.match(/(?<ππΈπ°>dog)(.*?)(\k<ππΈπ°>)/u); assert.sameValue(match.groups.ππΈπ°, "dog"); assert.sameValue(match[1], "dog"); assert.sameValue(match[2], " eat "); assert.sameValue(match[3], "dog"); match = string2.match(/(?<η>dog)(.*?)(\k<η>)/u); assert.sameValue(match.groups.η, "dog"); assert.sameValue(match[1], "dog"); assert.sameValue(match[2], " eat "); assert.sameValue(match[3], "dog");