Beefy Boxes and Bandwidth Generously Provided by pair Networks
Welcome to the Monastery
 
PerlMonks  

Re: I wonder...

by Jenda (Abbot)
on Jan 22, 2005 at 14:40 UTC ( #424233=note: print w/ replies, xml ) Need Help??


in reply to I wonder...
in thread Things you think you'll never use.

You mean something like:

$s = "xxyyyyyy"; $s =~ m/((x+)(??{'y' x length($2)}))/ and print "$1\n";
? :-)

Jenda
We'd like to help you learn to help yourself
Look around you, all you see are sympathetic eyes
Stroll around the grounds until you feel at home
   -- P. Simon in Mrs. Robinson


Comment on Re: I wonder...
Download Code
Replies are listed 'Best First'.
Re^2: I wonder...
by spurperl (Priest) on Jan 22, 2005 at 17:26 UTC
    Yes this is exactly what I meant :-) But it's not the point of my post. The point was: this matching task is a real challenge for 'normal regexes'. This technique using ??{} is indeed a way to solve it. I wondered whether there are other ways, using more standard regex operators.

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://424233]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others rifling through the Monastery: (10)
As of 2015-07-08 02:08 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 (93 votes), past polls