Comments on snippet: 'Hexadecimal Value'

priyanhere said on 21/Nov/2006

Tue, 21 Nov 2006 05:02:36 UTC

This is good, but below is more efficient /(#([0-9A-Fa-f]{3,6})\b)/

CUViper said on 23/Nov/2006

Thu, 23 Nov 2006 17:15:18 UTC

I don't think that's the same thing, priyanhere. From the perlre manpage:

{n,m} Match at least n but not more than m times

Thus your example would also match 4 or 5 digits. Since we're looking for exactly 3 or 6, and those happen to be multiples, you could try this:

/(#([0-9A-Fa-f]{3}){1,2}\b)/

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