Regular Expressions

[skip at pobox.com]

    jwz> Some people, when confronted with a problem, think 'I know, I'll
    jwz> use regular expressions.' Now they have two problems.

    dbl> So as a newbie, I have to ask....  So I guess I don't really
    dbl> understand why they are a "bad idea" to use. 

Regular expressions are fine in their place, however, you can get carried
away.  For example:

    http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html

Skip