Regexエスケープ
特殊regex文字をエスケープしてリテラルにマッチさせます。置換文字列のエスケープも処理。
For replacement strings, only $ needs escaping (as $$)
.Any character*0 or more+1 or more?0 or 1^Start of string$End of string{Quantifier start}Quantifier end(Group start)Group end[Class start]Class end|Alternation\Escape characterRegex Special Characters - 技術的な詳細
Special regex characters like . * + ? ^ $ { } ( ) | [ ] \\ have special meanings. To match them literally, prefix with a backslash. For replacement strings, $ needs to be escaped as $$.
コマンドラインでの代替方法
// JavaScript regex escape function
function escapeRegex(str) {
return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}