On 07/31/2010 12:10 PM, Mathieu Suen wrote:
The regexp in question is when attempting to match all the temp list that is:

(\s*\w+\s?)*

\s any space
\w any alphabetic letter.

I guess that \w+\s? is boing to prevent prevent backtracking too often but I am 
not sure.

The problem is when you're _not_ at temporaries. Then you have an exponential number of ways to try because any non-empty suffix of \w+ is also a prefix of \w+.

Something like "&abcdefghijklmnopqrstuvwxyz|" should trigger it.

Paolo

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