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Regex Tester
Test and debug regular expressions with real-time matching and highlights.
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Match Result — 2 matches
Contact us at [email protected] or [email protected] for more info.
Match Details
| # | Match | Index | Groups |
|---|---|---|---|
| 1 | [email protected] | 14 | — |
| 2 | [email protected] | 35 | — |
How to Use This Regex Tester
Regular expressions (regex) are patterns used to match character combinations in strings. This tool helps you test and debug regex patterns in real-time.
- Enter your regex pattern in the pattern field
- Toggle flags (g=global, i=case-insensitive, m=multiline, s=dotall)
- Enter your test string
- See matches highlighted instantly
FAQ
What is a regular expression?
A regular expression (regex) is a sequence of characters that defines a search pattern. It is used for string matching, searching, and text manipulation in programming.
What do the flags mean?
g (global) finds all matches, i (case-insensitive) ignores case, m (multiline) makes ^ and $ match line boundaries, s (dotall) makes . match newlines.
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