* = any ammount of matches of the previous expression

For example:

[[:graph:]]* is really "Any printable and visible (non-space) character repeated any number of times"

That is what I posted about:

grep -o "[[:alnum:][:graph:]]*@[[:alnum:][:graph:]]*"

grep -o returns the matched expression instead of the whole line matched

I realized that this can...

Those look awfully familiar. Did you grab those off of a "100 useful SED scripts" site? :)

And grep saves the day. Next time I'll RTFM better. :)

grep -o "[[:alnum:][:graph:]]*@[[:alnum:][:graph:]]*"

I haven't tested for many bugs/quirks in the results yet, but a few quick checks...

I have a bunch of text files with different formats that somewhere in the file have email addresses. I would like to be able to parse through any number of these files for email addresses. Here are...

Using Windows 2000 server. I was testing it at the command line. That was the problem. Thanks!

That yields the same problem that I was having:

%%A was unexpected at this time.

bash:

#!/bin/bash

DOMAIN=mydomain.com

for client in ServerA ServerB ServerC ServerD
do
xhost +$client.$DOMAIN
done