A simple way to do this is to use the substitution operator: 
$x = "123-4567";
$x =~ s/-//g;

[download]
More generally, to remove all nondigit characters, use 
$x =~ s/\D//g;

[download]

-Mark

In reply to Re: removing a character from a string by kvale
in thread removing a character from a string by bobothesmart

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