Re: Procmail regexp question

waltdnes(_at_)interlog(_dot_)com (Walter Dnes) writes:
>  For one of my filters I need to find one of "smtp" or "esmtp".
> I have a gut feeling that there is something more elegant than
> "(s|es)mtp".  Any help on this?
As David also noted:

        e?smtp

However, it'll match faster if you can force a match a previous character
unconditionally.  For instance, if you know the previous character must
be a space, force the match to start with that, ala

        () e?smtp


Philip Guenther