Beefy Boxes and Bandwidth Generously Provided by pair Networks
Don't ask to ask, just ask
 
PerlMonks  

Re^3: Defining Characters in Word Boundary?

by ikegami (Patriarch)
on Jan 20, 2011 at 16:32 UTC ( [id://883361]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Defining Characters in Word Boundary?
in thread Defining Characters in Word Boundary?

Compare 
'ab' =~ /a(?!a)/
'a' =~ /a(?!a)/

[download]
and 
'ab' =~ /a(?=[^a])/
'a' =~ /a(?=[^a])/

[download]

In Section Seekers of Perl Wisdom

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?

www.com | www.net | www.org
Node Status?
node history
Node Type: note [id://883361]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? • Last hour • Other CB clients
Other Users?
Others admiring the Monastery: (5)
As of 2024-04-23 16:30 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found