Lutz Sebastian (KAPA 21) wrote:
Hi together -

I have found out that expression like

x{n,m}y

increase exponential in time with the parameter m.

E.g.

Regexp = [:alnum:]{1,30}$

takes a lot of time for

aaaaaaaaabaaaaaaaaabaaaaaaaaabaaaaaaaaabaaaaaaaaab


http://nagoya.apache.org/bugzilla/show_bug.cgi?id=9153


Has anyone a solution for this or is this inherent ?

When you find one, let devs know.


Thanks,
Vadim


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