Beefy Boxes and Bandwidth Generously Provided by pair Networks
Your skill will accomplish
what the force of many cannot

Re^2: Regexp: Match anything except a certain word

by ikegami (Pope)
on Apr 21, 2006 at 17:15 UTC ( #544950=note: print w/replies, xml ) Need Help??

in reply to Re: Regexp: Match anything except a certain word
in thread Regexp: Match anything except a certain word

That's not how you use the negative lookahead. It won't work. For example,

'<a href="..." target="...">' =~ / <a # Matches '<a'. .+? # Matches ' '. (?!target) # Matches. (/\Gtarget/ doesn't match.) .+? # Matches 'href="..." target="..."'. > # Matches '>'. /isx;
'<a target="..." href="...">' =~ / <a # Matches '<a'. .+? # Matches ' t'. (?!target) # Matches. (/\Gtarget/ doesn't match.) .+? # Matches 'arget="..." href="..."'. > # Matches '>'. /isx;

The common use of a negative lookahead is


See my earlier post for the fix.

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://544950]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others pondering the Monastery: (4)
As of 2016-10-23 17:14 GMT
Find Nodes?
    Voting Booth?
    How many different varieties (color, size, etc) of socks do you have in your sock drawer?

    Results (301 votes). Check out past polls.