You can use index to find the position of the "1" and the four-argument form of substr to replace it.

knoppix@Microknoppix:~$ perl -E '
> $str = q{mystring123456};
> substr $str, index( $str, q{1} ), 1, q{};
> say $str;'
mystring23456
knoppix@Microknoppix:~$

[download]

I hope this is helpful.

Cheers,

JohnGG

In reply to Re: How do I cut single characters out of a string by johngg
in thread How do I cut single characters out of a string by akechnie

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