in reply to Re: Regex spamming.
in thread Regex spamming.

Try this: 

perl -e'$a="(.)"x15000;$_="a"x15000;/$a/;print "$15000\n";'

output:
a

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Looks like it goes that far if you have the RAM.

perl -e'$b=unpack"b*",pack"H*","59dfce2d6b1664d3b26cd9969503";\
for(;$a<length$b;$a+=9){print+pack"b8",substr$b,$a,8;}'

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