Can I use regular expressions in the Find field?

Yes. Enable the "Regex" toggle to treat the Find field as a regular expression. You can use any valid JavaScript regular expression syntax, including capture groups and backreferences in the Replace field.

How do I use capture groups in the replacement?

When regex mode is on, use $1, $2, etc. in the Replace field to reference capture groups from your pattern. For example, if your pattern is (\w+)\s(\w+), the replacement $2 $1 would swap the two words.

How many replacements can it make at once?

There is no built-in limit. The tool replaces all occurrences throughout the entire input in a single pass when "Replace All" is enabled.

Is the find case-sensitive by default?

Yes, by default the search is case-sensitive. Enable the "Ignore case" option to match regardless of capitalisation.

Can I replace with nothing to delete text?

Yes. Leave the Replace field empty to delete all occurrences of the search term — effectively using find-and-delete mode.

Find & Replace Tool

A browser-based find and replace utility that supports both plain text and regular expressions. Replace all occurrences at once or limit to the first match. The replacement count is shown so you know exactly what changed. Supports case-sensitive and case-insensitive matching.

Runs entirely in your browser — your input is never uploaded, stored, or logged.

Bulk text replacements that would take minutes manually are done instantly. For testing your regex pattern first, try the Regex Tester.

How to Use

1Paste your text into the input.
2Enter the text to find and the replacement string.
3Toggle case sensitivity and whole word matching if needed.
4Click Replace — all matching instances update at once.

Common Uses

→Replace all instances of a word or phrase across a block of text
→Clean up exported data by replacing delimiters or separators
→Normalize formatting across a pasted list
→Bulk-replace variable names in copied code snippets

Examples

Simple replace

Input

I love cats. Cats are great. My cat is named Luna.

Output

I love dogs. Dogs are great. My dog is named Luna.

Frequently Asked Questions

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