Re: A regular expression that will work for (hh:)mm:ss [converting clock time to seconds]

[Riales]

in reply to A regular expression that will work for (hh:)mm:ss [converting clock time to seconds]

You want the ? which allows 0 or 1 occurrence of the preceding element.

my $timeRegex = '((?:[0-1][0-9]:)?[0-5][0-9]:[0-5][0-9])';

[aware74]

Thank you. This is what happens when you don't fully understand the regex that is generated for you.