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Re: Regex: If not beginning of string match end

by CountZero (Bishop)
on Jan 17, 2013 at 21:57 UTC ( #1013898=note: print w/replies, xml ) Need Help??

in reply to Regex: If not beginning of string match end

use Modern::Perl; while (<DATA>) { chomp; next if /^[s][0|6]00[0-9]{2}/; next unless /(\d{2})$/; say "$_ -> $1"; } __DATA__ s00023 s50012 s600ad s00012 abc-def-123456
The first test rejects all data that fit the ^[s][0|6]00[0-9]{2} pattern.

The second test rejects all data that does not end in two digits.

If the data "survives" both tests it gets printed.

s50012 -> 12 abc-def-123456 -> 56


A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

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