Perfect companion for working with regular expressions. Easily create and clearly understand regex patterns. Test any regex on sample strings and files. Use the regex with automatic source code snippets. Collect regex libraries for future use.
Search files 4 ways: plain-text, grep expressions, fuzzy, and sound-alike. Find even misspelled text. View files 6 ways. Replace text in multiple files. Index files to find a word on your hard drive in less than a second! Zip found files.
Cygnus grep 
