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.
Bulk text replacements that would take minutes manually are done instantly. For testing your regex pattern first, try the Regex Tester.
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.
Eliminate duplicate lines from any block of text instantly.
Remove extra whitespace, blank lines, special characters, and HTML tags.
Test regular expressions against sample text with live match highlighting.
Extract all regex pattern matches from a block of text.
Convert text to UPPERCASE, lowercase, Title Case, or Sentence case.
Check whether a word, phrase, or sentence is a palindrome.