Escape de Regex

Escape caracteres especiais de regex para corresponder a eles literalmente. Também lida com escape de strings de substituição.

Text to Escape0 chars

Escaped for Regex Pattern

Escaped output...

Escaped for Replacement String

Escaped for replacement...

For replacement strings, only $ needs escaping (as $$)

Special Regex Characters

.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 character

Regex Special Characters - Detalhes Técnicos

Special regex characters like . * + ? ^ $ { } ( ) | [ ] \\ have special meanings. To match them literally, prefix with a backslash. For replacement strings, $ needs to be escaped as $$.

Alternativa via Linha de Comando

// JavaScript regex escape function
function escapeRegex(str) {
  return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}

Referência

Ver Especificação Oficial