try this one. it code will change all 55 into 67 at any place. 

my $timestmpa_value = "200554250955";
$timestmpa_value =~ s#55#67#g;
print $timestmpa_value

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In reply to Re: How to replace the last 2 characters in a string by ashokpj
in thread How to replace the last 2 characters in a string by Anonymous Monk

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