Regex Tester Advanced Pattern Testing & Validation
Test and validate regular expressions with live pattern matching, syntax highlighting, capture group analysis, and performance optimization. Features comprehensive pattern library and detailed explanations.
Regular Expression
/
/
Flags:
g = global
i = ignore case
m = multiline
s = dotall
x = extended
Test String
Length: 0 |
Lines: 0 |
Words: 0
Results
No matches yet
Enter a pattern and test string to see matches