Regex Replacer
Find and replace text using regular expressions
π 100% client-side β your data never leaves this pageRegex Replace
Output
Replaced text will appear here
π 100% client-side
About this tool
Run regular expression based find-and-replace operations directly in your browser. Configure pattern, flags, and replacement text, then preview output and replacement count in real time. Useful for refactoring text, log cleanup, data normalization, and content migrations.
Frequently Asked Questions
What regex flags are supported?
Common JavaScript regex flags such as g, i, m, s, u, and y are supported.
Can I use capture groups in replacement?
Yes. You can use references like $1, $2 in replacement text.
Does this tool modify files directly?
No. It only transforms the text you paste into the input area.