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in reply to Re: Five Ways to Reverse a String of Words (C#, Perl 5, Perl6, Ruby, Haskell)
in thread Five Ways to Reverse a String of Words (C#, Perl 5, Perl 6, Ruby, Haskell)

Huh? 

"  one   two three four    ".split(/ /).reverse().join(" ")

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Re^3: Five Ways to Reverse a String of Words (C#, Perl 5, Perl6, Ruby, Haskell)
by stvn (Monsignor) on Dec 12, 2006 at 15:56 UTC

    Actually that doesn't work correctly in FF or Safari on OS X. It still has several empty strings filling up the array. They become more evident if you do this: 

    "  one   two three four    ".split(/ /).reverse().join("|")

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    which gives you "||||four|three|two|||one||".

    -stvn
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[d/l]

      Interesting... It works fine in EcmaScript. Or at least Jscript. :-)
      So how about 

      "  one   two three four    ".split(/ +/).reverse().join(" ")

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[d/l]

        Yup, that one works. Boring, but it works ;)

        -stvn
[reply]
        Trimming the string is still necessary in order to comply with the specs. Yes, very boring ;-) 
        function reverseWords(str) {
  return str.replace(/^\s+/,'').replace(/\s+$/,'').split(/\s+/).revers
+e().join(' ');
};

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[d/l]

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