Complete ebook tutorial and reference on shell scripting with Bash in Linux/UNIX/BSD. This is the equivalent of a 928-page printed book. It is an official Linux Documentation Project (http://www.tldp.org) Guide.

Txt2regex is a Regular Expression wizard that converts human sentences to regexes. In a simple interactive interface, you just answer to questions and build your own regex for a large variety of softwares and programming languages: AWK, ed, egrep, Emacs, expect, find, gawk, grep, lex, lisp, mawk, MySQL, OpenOffice.org, Perl, PHP, Postgres, Procmail, Python, SED, Tcl, VBscript, VI, Vim. Translated to 10 languages, it also supports POSIX classes.