Regex Escape
Escape special regex characters to match them literally. Also handles replacement string escaping.
Text to Escape0 chars
Escaped for Regex Pattern
Escaped output...
Escaped for Replacement String
Escaped for replacement...
For replacement strings, only $ needs escaping (as $$)
.Any character*0 or more+1 or more?0 or 1^Start of string$End of string{Quantifier start}Quantifier end(Group start)Group end[Class start]Class end|Alternation\Escape characterRegex Special Characters - Détails techniques
Special regex characters like . * + ? ^ $ { } ( ) | [ ] \\ have special meanings. To match them literally, prefix with a backslash. For replacement strings, $ needs to be escaped as $$.
Alternative en ligne de commande
// JavaScript regex escape function
function escapeRegex(str) {
return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}