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Regex Validator

Test regex patterns, inspect captured matches, and run regex-based replacements in one responsive tool. Enter your pattern without delimiters and choose any flags you need.

Regex Match Tester

Find all matches, inspect capture groups, and review exact offsets in your test text.

Patterns are entered without leading and trailing delimiters. Use flags like i for case-insensitive matching or m for multiline anchors.
0 pattern chars, 0 text chars
Mode Match
Flags None
Matches 0
Status Idle

Regex Replace Tester

Preview regex-powered replacements before you use them in code, text cleanup, or search-and-replace tasks.

Use capture groups and backreferences like $1 or $2 in the replacement field to reorder matched text.
0 pattern chars, 0 replacement chars, 0 text chars
Mode Replace
Flags None
Replacements 0
Status Idle
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