Beefy Boxes and Bandwidth Generously Provided by pair Networks
Just another Perl shrine
 
PerlMonks  

Re^2: Determing whether a regexp has capturing matches

by adrianh (Chancellor)
on Feb 27, 2007 at 15:58 UTC ( #602319=note: print w/ replies, xml ) Need Help??


in reply to Re: Determing whether a regexp has capturing matches
in thread Determing whether a regexp has capturing matches

$1 will be set to undef after a match with no parentheses.

Is this documented behaviour? I could have sworn I'd used a perl at some point where $1 persisted unless you made another captured match. I could, of course, be making shit up :-)


Comment on Re^2: Determing whether a regexp has capturing matches
Re^3: Determing whether a regexp has capturing matches
by Limbic~Region (Chancellor) on Feb 27, 2007 at 17:15 UTC

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://602319]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others contemplating the Monastery: (17)
As of 2015-07-02 17:03 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









    Results (44 votes), past polls