How do I remove white space in a Perl string?

Question

If I declared a variable $myString with the value \'3 \' (notice the white space). Is there any function to remove the white space for the return v

Answer 1

Remove spaces from variable $test (eq rtrim(ltrim(@sStr)) from Transact SQL:

$test =~s/^\s*(\S*)\s*$/$1/;