Inserting some text at the beginning of each file
Check the Regular expressions option and enter the following regular expression: ^^
. Now enter the text you want to insert into the Replace with field:

This is a page from Aba Search and Replace help file.
- Welcome to Aba
- Getting started
- How-to guides
- Selecting the files to search in
- Inserting some text at the beginning of each file
- Replacing multiple lines of text
- Searching in Unicode files
- Replacing in binary files
- Performing operations with the found files
- Undoing a replacement
- Saving search parameters for further use
- Removing private data
- Adding or removing Aba from Explorer context menu
- Integrating Aba with Total Commander
- Integrating Aba with Free Commander
- Integrating Aba with Directory Opus
- Regular Expressions
- User interface
- Command line
- Troubleshooting
- Glossary
- Version history
- Credits