Find & Replace It! is a powerful, cross-platform text file processor. It allows you to perform very complex batch replacements inside text files of any size. It supports regular expression syntax and dozens of encodings. It can batch processing the encoding of files, as well as style of end-of-line. It provides scripting capabilities. The scripting interface allows you to transform on the fly the replacement text on every match.

Features:
1. Find and replace across files
2. Can search fixed string expressions as well as wildcard and regular expressions
3. Handles text encoding while displaying, reading and writing file contents, including multi bytes encodings like Unicode
4. Preserves line endings while processing files
5. Preserves BOM while processing Unicode files
6. Allows you to perform dynamic replacements based on found expression captures
7. Provides built-in processing function for dynamic replacements (e.g. convert captured expressions to lower case, Base64 encoding, Hex encoding, UTF-8 encoding, etc.)
8. Provides a JavaScript like interface to customize replacements on the fly by script processing
9. Displays matched expressions reports for file search/replace operations
10. Full featured dynamic preview of matched expressions and replacements
11. Can convert text encoding
12. Can convert end-of-lines (Windows, Unix, Macintosh, Unicode)
13. Detects text encoding and line endings of files
14. Provides advanced filtering options for selecting files that need to be processed, including file name filters and file path exclusion filters
15. Allows you to load and save expressions to find, replacement definitions and file filters
16. Handles huge files (> 10 GB)
17. Regular expression editor / tester.
18. Fully multi-threaded for fast processing and responsiveness
19. Allows you to cancel long operations
20. GUI is totally modular
21. Can save your file filters, regular expressions, replacement patterns, preview settings, etc.
22. Create backup files
23. Export results
24. Cross-platform: Windows, Mac OS X, Linux

Limitations:
* Cannot save files.

The license of this software is Free Trial Software, the price is $30, you can free download and get a free trial.