> my $range = join '|', 5278..5391;
> my $number = 5300;
> print "Matched\n" if $range =~ /\b$number\b/;

[download]

You want $number =~ /^($range)$/ instead.

Also, you need to create a potentially large list in memory then turn it into a large string. For numbers of this size, this isn't really a problem, but what if you are trying to match unix time values, that's 780k just to match a one day time frame.

In reply to Re: Answer: How do I match a number range? by quidity
in thread How do I match a number range? by Anonymous Monk

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