Thank you John for your prompt reply.

I tried the same example by replacing [:xdigit:] with [[:xdigit:]] in the expression

However, I still do not get the desired match.

Regards,

Chandan

John Maddock <john@johnmaddock.co.uk> wrote:

Chandan Nilange wrote:
>> Hello,
>>
>> Why does the boost regex sample program attached here,
>> doesnot generate match for character class [:xdigit:]
>> Do we need to enable this character class explicity?
>> If yes, how to enable it?

The expression "[:xdigit:]" that you're using will match any of the
characters ":", , "x", "d", "i", "g" or "t". Use "[[:xdigit:]]" to match a
hex digit character.

John.

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