Find and Replace
Find and replace text with optional regex and case sensitivity — shows match count live.
How to use this tool
- 1Paste text into the left Input panel.
- 2Enter your search term in the Find field and replacement in the Replace with field.
- 3Toggle Regex to use a regular expression pattern, and Case-sensitive to control case matching.
- 4The match count and replaced output update in real time — click Copy to copy the result.
About Find and Replace
Text editors have Find & Replace, but they can't process text you paste from an API response, a log file, or a data export without opening a file. This browser-based tool lets you find and replace in any pasted text with four options: plain text or regex pattern, case-sensitive or case-insensitive. The find pattern is compiled with the global flag so all occurrences are replaced at once. A match count appears below the controls showing how many replacements were made — '3 matches found' — so you can verify before copying. If you enter an invalid regex, the error message from the JavaScript engine is shown in red. Regex mode supports capture groups: use $1, $2 in the replace field to reference groups from your pattern. Case-insensitive mode adds the 'i' flag to the regex. The output updates in real time as you type in the find or replace fields. Developers normalising log output, writers doing bulk text substitutions, and data analysts cleaning CSV fields are the primary users.