^txt2regex$
It is a useful tool for users with little or no knowledge of regular expressions and so is included in several Linux distributions , including Debian , Fedora , Gentoo , Knoppix , and Mandriva , in FreeBSD , and in Fink for Mac OS X . 
<triplet> Fink <subj> Mac OS X <obj> operating system <triplet> Mac OS X <subj> FreeBSD <obj> part of the series