Regex Tester
Test regex patterns against live text
— Test regex patterns against live text
Input
Output
Output will appear here
0 words·0 chars·0 lines
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About Regex Tester
Tests a regular expression against your input text and shows all matches with their positions and capture groups.
Use cases
- →Test and debug regular expressions
- →Find all email addresses in a block of text
- →Validate patterns before using in code
- →Explore regex capture groups interactively
FAQ
- What regex flavour is this?
- JavaScript RegExp — the same engine that runs in the browser and Node.js.
- The global flag is always added — why?
- To find all matches, not just the first one. Remove g from flags to find only the first match (the g will be added anyway).