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Perl tr Function
Description
This is not a function. This is the transliteration operator; it replaces all occurrences of the characters in SEARCHLIST with the characters in REPLACEMENTLIST.
Syntax
Following is the simple syntax for this function −
tr/SEARCHLIST/REPLACEMENTLIST/
Return Value
This function returns number of characters replaced or deleted.
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl -w $string = 'the cat sat on the mat.'; $string =~ tr/a-z/b/d; print "$string\n";
When above code is executed, it produces the following result. Here option d is used to delete matched characters.
b b b.
perl_function_references.htm
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