I've never done exactly this (I use procmail on Linux which does a lot of work for you), but I think that this regular expression will match all e-mail addresses: [a-zA-Z0-9][-._+a-zA-Z0-9=]*@[-_.a-zA-Z0-9]*\.[a-zA-Z]*[a-zA-Z][a-zA-Z] in case you want to write a sed or Perl script to do the extraction. --- http://www.outformations.com/~drc wrote: > Hey... > > I'm hoping that one of you fine folks out there has a little utility that > can take an input text file that contains email addresses and output a > list of all the contained email addresses, one per line. > > IE: like this... > > http://www.outformations.com/~drc > http://www.fudd.com/~wilber > http://www.wizz.com/~gee > http://www.nut.net/~filbert > ... etc