Regex Tester
Test regular expressions and see matches in real time.
4 matches
About this tool
Test regular expressions live against sample text. See matches highlighted instantly and inspect match positions while tuning patterns.
- Live match highlighting
- Supports common regex flags
- Lists match values and indexes
Prefer a walkthrough? Read the Regex Tester guide.
Guides
Learn the workflow, then jump back into the free tools
Guide for this tool
How to Use Regex Tester
Test regular expressions and see matches in real time. A practical Toolara guide with tips, workflow advice, and links to the free online tool.
4 min read
How to Compare Text and Code with a Diff
Learn what additions and removals mean and how text diffs make reviews and troubleshooting faster.
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How to Use Case Converter
Convert text between upper, lower, title, and more cases. A practical Toolara guide with tips, workflow advice, and links to the free online tool.
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How to Use Word Counter Pro
Count words, characters, sentences, reading/speaking time, and keyword density. A practical Toolara guide with tips, workflow advice, and links to the free online tool.
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