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Re: Re: Meaning of /o in Regexes

by mce (Curate)
on Dec 06, 2002 at 12:45 UTC ( #218053=note: print w/ replies, xml ) Need Help??


in reply to Re: Meaning of /o in Regexes
in thread meaning of /o in regexes

Thanks, But this part I understood, it is the comparison with qr that I am puzzeled about.
---------------------------
Dr. Mark Ceulemans
Senior Consultant
IT Masters, Belgium


Comment on Re: Re: Meaning of /o in Regexes
Re: Re: Re: Meaning of /o in Regexes
by slife (Scribe) on Dec 06, 2002 at 13:47 UTC

    Thanks, But this part I understood, it is the comparison with qr that I am puzzeled about.

    /o and qr// provide different services to the programmer:

    /o says 'Take this pattern and create a compiled regex that will not change for the life of the program'

    qr// says 'Take this pattern and return a special object that I can assign to a variable, interpolate into another pattern, pass to a subroutine, etc, etc, and as a side-effect creates a compiled form that I can use in pattern matches directly.'

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