Here's about the simplest one I can come up with:

  perl -wle '$n=32766; $_="a" x $n; /(ab*){$n}/'

[download]

On most implementations this will coredump; depending on stacksize, it may coredump for much lower $n.

See the #24274 regexp metabug for more detail.

Hugo

In reply to Re: What perl operations will consume C stack space? by hv
in thread What perl operations will consume C stack space? by BrowserUk

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