Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change

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";
? :-)

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?

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

How do I use this? | Other CB clients
Other Users?
Others rifling through the Monastery: (10)
As of 2015-12-01 14:55 GMT
Find Nodes?
    Voting Booth?

    My keyboard shows this many letters:

    Results (12 votes), past polls