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Perl Programming/Keywords/y
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Perl xor Keywords
The y keyword
y is the transiteration operator as known from the UNIX sed line editor, and is equivalent to tr.
Syntax
y///
Examples
The code
$tmp = "909135790159";
print $tmp . "\n";
$tmp =~ y/13579/24680/;
print $tmp . "\n"; replaces the respective characters in the first parametre with the corresponding characters in the second parametre: 909135790159
000246800260
Perl xor Keywords