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Re^2: Regular Expression: search two times for the same number of any signsby Anonymous Monk |
| on Nov 29, 2016 at 11:38 UTC ( [id://1176793]=note: print w/replies, xml ) | Need Help?? |
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Hi Hauke, Took me a while to understand your code !! I can learn a lot out of it. Thanks !!! But one question: I never saw // before. What is // ? You use "extract($_)//'invalid'" to print 'invalid' if the sub returns nothing. Can I do more with // ?
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