If the desire is to squash whitespace--with a definition for 'whitespace' of spaces or tabs--then tr/// might be a better choice 

$string =~ tr[\t ][ ]s

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BTW. I can see your logic for assuming the exclusion of \n, but I wonder about \r? If your going to exclude that, shouldn't you also exclude \f? I also wonder about \cK--does anything respond to Vertical tab any more?

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In reply to Re: Re^2: Silly Regex question (better?) by BrowserUk
in thread Silly Regex question by Anonymous Monk

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