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AI Regex Generator

Describe what you want to match in plain English — get a precise regular expression plus a clear token-by-token breakdown. Free, instant.

/^[w.-]+@[w-]+.[a-z]{2,}$/i /d{4}-d{2}-d{2}/g /https?://[S]+/gi

Regex Parameters

Ctrl+ Enter to generate

Common Tokens Reference

dAny digit 0-9
wWord character
sWhitespace
^Start of string
$End of string
+One or more
*Zero or more
?Zero or one
[ ]Character class
( )Group / capture
regex_output.js
.*
?

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Describe your pattern in plain English on the left and click Generate Regex