[vox-tech] Matching Contents of Lists
Micah J. Cowan
micah at cowan.name
Fri Jul 8 12:46:14 PDT 2005
On Fri, Jul 08, 2005 at 01:52:38PM -0500, Jay Strauss wrote:
> sub parse {
> my $str = $_[0];
>
> # Capture the parts, leading alpha, followed by n digits,
> # followed optionally by alphas
> $str =~ /([a-zA-Z]+)(\d+)([a-zA-Z]+)?/;
>
> my @str = ($1,$2,$3); # put the matches back into an array
Of course, this could have been:
my (@str) = $str =~ /([a-zA-Z]+)(\d+)([a-zA-Z]+)?/;
eliminating the need to refer specifically to the positional variables.
> $str[1] =~ s/^0+//; # strip leading 0s from digit portion
Personally, I typically use $str[1] += 0, but obviously that's a style
thing.
>
> return @str;
> }
--
Micah J. Cowan
micah at cowan.name
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