Run 'perldoc perlop' at the command-line.

Check out the section about the "Conditional Operator" for the first
question, and the second question will be under "Quote and Quote-like
Operators", in the "m/PATTERN/cgimosx" section.


-----Original Message-----
From: Ryan Moszynski [mailto:[EMAIL PROTECTED] 
Sent: Friday, July 14, 2006 4:04 PM
To: [EMAIL PROTECTED]; beginners@perl.org
Subject: awesome help, but, a question

<snip>

what are the ':'s doing?, and lastly, what is eg?

<snip>

########
   $str =~ s/(?:(\d+)-(\d+)|(\d+));?/
        $3 ? '' : ($2 > $1 ? '' : 'y')
        /eg;
    '' eq $str;
########


<snip>



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