Regex Replace Tool
Use this regex replace tool to search with a regular expression and replace matches immediately. You can control both the pattern and the flags.
Example Usage
- Replace repeated whitespace with dashes when preparing slugs or IDs.
- Clean structured text using capture groups and regex replacements.
- Preview a transformation before using the same regex in code.
Regex Replace Tool Explained
A regex replace tool lets you apply regular expression search and replacement rules to text without writing a script. This is useful for content cleanup, pattern-based renaming, quick data shaping, and debugging replacement logic before embedding it in code. By changing the pattern, flags, and replacement string, you can test how a regex transforms your input in real time. That makes it especially helpful for developers and content editors who often need small but precise text transformations.
FAQ
Can I use regex flags during replacement?
Yes. You can provide JavaScript regex flags such as g or i.
Does it update the output instantly?
Yes. The replacement result updates as soon as the input or pattern changes.
Can I test replacement patterns before coding them?
Yes. That is one of the main reasons to use a browser-based regex replace tool.
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