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Test your regular expressions in real time. The regex is evaluated with the global flag (g) by default, and all matches are highlighted in the entered text.
Free, no account required, browser processing and no server upload.
Test your regular expressions in real time. The regex is evaluated with the global flag (g) by default, and all matches are highlighted in the entered text.
Useful examples
\d+
All numbers
[A-Z]+
Uppercase words
^\s*$
Empty lines
(?<=\$)\d+
Number after $ sign
Available flags: g (global), i (case-insensitive), m (multiline), s (dotall). By default, g is active. Lookaheads and lookbehinds work (partial PCRE support).
Test regular expression helps you complete this task directly in your browser. You keep control of your data and get the result locally.
Yes. Test regular expression is free to use and runs in your browser without sending files or content to Lmaotools servers for processing or storage.
No. Files and content added to the tools are processed in your browser. They are not sent to Lmaotools servers for conversion or storage.
No. Open the tool, add your file or content, then get the result. Processing happens locally in your browser.