On Fri, Jul 20, 2001 at 05:19:23PM -0500, [EMAIL PROTECTED] wrote:
> i have:
>
> my $version = '$Revision: 1.47 $';
> $rcs =~ s/[^\d.]+//;
>
> looking at the regex match, i would think this should match all
> non-numeric and \. characters. however, the value of $rcs ends up as:
>
> 1.47 $
>
> i am not sure why the \s and \$ after the numbers are not being wiped out.
Because there's no /g on your s///. '$Revision: ' is the first occurence of
the pattern [^\d.]+, the substitution stops after replacing that.
The typical idiom for this is:
my($rcs) = (q$Revision: 1.47 $ =~ /(\d+(?:\.\d+)+)/);
Michael
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Programmer, System Administrator www.gallanttech.com
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