Regex Tester
Regular Expression
/
/
g
Expression Flags
Test String
Match Results
Enter a pattern and test string.
How to use
1.
Enter your regular expression in the pattern field
2.
Paste test text below — all matches are highlighted in real time
3.
Use the flags (g, i, m, s, u, y) to adjust matching behaviour
Common uses
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Testing regex patterns for form validation (email, phone, postal code)
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Extracting structured data from log files or raw text
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Building search-and-replace patterns for scripts or editors
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