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  1. or download this
    text = " a string of some sort, with space at either end   "
text = text.strip()
  2. or download this
    my $text = " a string of some sort, with space at either end   ";
$text = trim( $text );
  3. or download this
    my $TRIM_WHITESPACE_RE = qr/^\s+|\s+$/
## ... later on .. ##
$text =~ s/$TRIME_WHITESPACE_RE//g;