re.search much slower then grep on some regular expressions

Mark Wooding mdw at distorted.org.uk
Sun Jul 6 23:36:36 CEST 2008


Sebastian "lunar" Wiesner <basti.wiesner at gmx.net> wrote:

> # perl -e '("a" x 100000) =~ /^(ab?)*$/;'
> zsh: segmentation fault  perl -e '("a" x 100000) =~ /^(ab?)*$/;'

(Did you really run that as root?)

> It'd be interesting to know, how CL-PPCRE performs here (I don't know this
> library).

Stack overflow condition. :-(

-- [mdw]



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