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Re: Basic Regular expression

by hippo (Bishop)
on Feb 09, 2017 at 16:31 UTC ( #1181547=note: print w/replies, xml ) Need Help??


in reply to Basic Regular expression

$2 cannot be null, it must be either "e" or "r" or else the entire regex would fail to match. Hopefully the rest becomes obvious once you understand this part?

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Re^2: Basic Regular expression
by skkeni04 (Initiate) on Feb 13, 2017 at 03:32 UTC
    Yes, it did. Thanks!

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