Regex एस्केप

Regex कैरेक्टर्स एस्केप करें।

Text to Escape

Escaped for Regex Pattern

Escaped for Replacement String

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 - तकनीकी विवरण

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

कमांड-लाइन विकल्प

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

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