Wednesday, 15 August 2012

arrays - Perl program for palindrome in paragraph -



arrays - Perl program for palindrome in paragraph -

i want write perl programme finding number of palindromes in paragraph. here have using array. please help.

take @ perlretut - recursive patterns.

it includes illustration of testing palindromes can no uncertainty adapt purposes, whatever exactly:

use strict; utilize warnings; $pp = qr/^(\w* (?: (\w) (?1) \g{-1} | \w? ) \w*)$/ix; $s ( "saippuakauppias", "a man, plan, canal: panama!" ){ print "'$s' palindrome\n" if $s =~ $pp; }

outputs:

'saippuakauppias' palindrome 'a man, plan, canal: panama!' palindrome

arrays algorithm perl bioinformatics palindrome

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