Why is this regex throwing a 'PREG_BACKTRACK_LIMIT_ERROR' error

User Name:

Password:

Remember me

The Shed is going Social! Join us on FaceBook and Twitter and chime in on the conversation.
		Dev Shed Forums > Programming Languages - More > Regex Programming
Why is this regex throwing a 'PREG_BACKTRACK_LIMIT_ERROR' error Discuss Why is this regex throwing a 'PREG_BACKTRACK_LIMIT_ERROR' error in the Regex Programming forum on Dev Shed. Why is this regex throwing a 'PREG_BACKTRACK_LIMIT_ERROR' error Regular expressions forum covering PCRE and POSIX techniques, practices, and standards. Regular expressions help shorten coding time by providing the ability to compact many lines of code into one string.

Add This Thread To:

Del.icio.us

Digg

Google

Spurl

Blink

Furl

Simpy

Y! MyWeb

« Previous Thread | Next Thread »

Dev Shed Forums Sponsor:

September 12th, 2012, 05:54 AM

Contributing User

Join Date: Mar 2012

Posts: 62

Time spent in forums: 4 h 38 m 22 sec
Reputation Power: 2

Why is this regex throwing a 'PREG_BACKTRACK_LIMIT_ERROR' error

In the example at PHP.net , it says that the regular expression

PHP Code:


		
			
/(?:\D+|<\d+>)*[!?]/

matched against foobar foobar foobar throws a

PHP Code:


		
			
 PREG_BACKTRACK_LIMIT_ERROR

error. Can anybody explain why?

Viewing: Dev Shed Forums > Programming Languages - More > Regex Programming > Why is this regex throwing a 'PREG_BACKTRACK_LIMIT_ERROR' error

Developer Shed Advertisers and Affiliates

Thread Tools	Search this Thread
Email this Page	Search this Thread: Advanced Search
Display Modes	Rate This Thread
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off

Forum Jump