PatternHelper
Makes it easy for developers AND beginners to design and test patterns. Patterns written with perl regular expressions, egrep regex, MS Word or Brief pattern matching languages can be designed and tested with syntax highlighting and a slick test facility. ... Default patterns can also be chosen from a list. ... PatternHelper can run stand-alone, and also integrates with TextPipe Pro and a host of other applications.
http://www.datamystic.com/patternhelper.exe - 1Mb - Download - Screenshot

PENTA Text Tools
Greppes: GREP's that Edit with Many Options. Two Programming or Admin tools for Investigation and Change of any files on ANY PC's that use MS-DOS 2. 0+. Oriented towards English byte characters but can be adapted for other languages to include UNICODE double byte words. ... PDGREPPE searches by Extended Regular Expressions similar to EGREP on UNIX systems. ... STRINGS rips sequences of text characters out of binary files so You can see their innards. ... NLX can change text files ordinarily used for UNIX or Apple MAC into MS-DOS usable ones.
http://isvs.tripod.com - 0b - Download

GREPPES Text Tools
Greppes are GREP's that Edit with many options. They are programming or admin tools for Investigation and Change of any files on ANY PC's that use MS-DOS. They are oriented towards English byte characters but can be adapted for other languages to include UNICODE double bytes. ... PDGREPPE searches by Extended Regular Expressions similar to EGREP on UNIX systems. ... *+&|~`'@:,="and backslash "\" that represent data positions, ranges of characters (sets), ANY byte, Marked and Unmarked Groups, naming and reuse of Marked Groups, positive and negative Repititions, OR and AND operators,...
http://isvs.tripod.com - 0b - Download - Screenshot