JavaScript ECMAScript regular-expressions
JavaScript ECMAScript の正規表現に関する言語リファレンス情報をまとめたカテゴリです。
language-feature の一覧
Backreference: \1, \2
Capturing group: (...)
Character class escape: \d, \D, \w, \W, \s, \S
Character class: [...], [^...]
Character escape: \n, \u{...}
Disjunction: |
Input boundary assertion: ^, $
Literal character: a, b
Lookahead assertion: (?=...), (?!...)
Lookbehind assertion: (?<=...), (?<!...)
Modifier: (?ims-ims:...)
Named backreference: \k<name>
Named capturing group: (?<name>...)
Non-capturing group: (?:...)
Quantifier: *, +, ?, {n}, {n,}, {n,m}
Unicode character class escape: \p{...}, \P{...}
Wildcard: .
Word boundary assertion: \b, \B