Tuesday, 7 February 2012

Perl Interview questions

I had this one thrown at me:

What is the difference between -
perl -e '$n=1234; if($n=~m/^(\d)*$/){print $1;}'
perl -e '$n=1234; if($n=~m/^(\d+)$/){print $1;}'

Thankfully I got it right, (I leave marks when I kick myself.)

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