I probably would have used something simpler such as:

while (<DATA>) {
   chomp;
   print "'$_' contains ", (@{[/ /g]}) > 1 ?
      "more than one space.\n" :
      "either one space or none.\n";
}

__DATA__
foo bar baz
foobar
foobar baz
foo barbaz

[download]

In reply to Re: Why am I get a core dump when I use ??{} by Anonymous Monk
in thread Why am I get a core dump when I use ??{} by Plankton

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