[Chicago-talk] detecting whether a scalar is number or a string.
chicago.pm at galumph.com
Sun Jul 6 13:19:39 PDT 2008
Shawn Carroll wrote:
> On Sun, Jul 6, 2008 at 2:48 PM, Richard Reina
> <richard at rushlogistics.com> wrote:
>> Can someone tell me please how I can test whether a string is
>> number or not.
>> so to differentiate from:
>> my $string = "anssds";
>> $string = "5879873454";
>> Thanks for your attention. Have a great day!
> $string =~ m/[:digit:]/; -or- $string =~ m/[:alpha:];
Also see Scalar::Util::looks_like_number(), which actually asks the perl VM.
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