Advanced search/replace in databases with patterns, fuzzy and sounds-like match
Helps design and diagnose regular expression (perl,egrep,word,brief+) patterns
Batch search and replace text in plain text files and MSWord documents.
Locate all occurrences of a specific text string and replace it automatically

sed search and replace search replace search and replace

global search and replace text search and replace advanced search and replace

actual search & replace search and replace text multiple search replace