Online Regex Tester & Grepper
Test regex patterns with real-time matching, capture groups, and replace.
Regular Expression
g
i
m
s
Common Patterns
Input Text
Match Highlights
📋 Copy Matches
Matches appear here...
Capture Groups
Groups appear here...
Replace With
(use $1, $2, $$ for literal $)
Result appears here...
📋 Copy Result
💾 Export
Copied!