Created
June 17, 2024 08:14
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about regular expression's word boundary implementations
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| if (/\b姉/.test("兄 姉")) console.log("javascript") |
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| say q{perl} if qq{兄 姉} =~ m/\b姉/ |
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| puts :ruby if /\b姉/ =~ %q{兄 姉} |
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refs.
https://tc39.es/ecma262/multipage/text-processing.html#sec-runtime-semantics-iswordchar-abstract-operation
https://tc39.es/ecma262/multipage/text-processing.html#sec-wordcharacters