Beefy Boxes and Bandwidth Generously Provided by pair Networks
go ahead... be a heretic
 
PerlMonks  

RegEx + vs. {1,}

by Sewi (Friar)
on Oct 10, 2012 at 11:03 UTC ( #998200=perlquestion: print w/ replies, xml ) Need Help??

Help for this page

Select Code to Download


  1. or download this
    perl -le 'print $x = "abcdefgxxabcdefgzzabcdsjfhkdfab"; print $2 if $x
    + =~ /((\w+).*?\2.*?)+/;'
    abcdefgxxabcdefgzzabcdsjfhkdfab
    ab
    
  2. or download this
    perl -le 'print $x = "abcdefgxxabcdefgzzabcdsjfhkdfab"; print $2 if $x
    + =~ /((\w{2,}).*?\2.*?)+/;'
    abcdefgxxabcdefgzzabcdsjfhkdfab
    abcdefg
    
  3. or download this
    perl -le 'print $x = "abcdefgxxabcdefgzzabcdsjfhkdfab"; print $2 if $x
    + =~ /((\w{2,}?).*?\2.*?)+/;'
    abcdefgxxabcdefgzzabcdsjfhkdfab
    cd
    

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: perlquestion [id://998200]
Approved by marto
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chilling in the Monastery: (12)
As of 2015-07-06 11:35 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 (72 votes), past polls