Or if you wanted to keep the original string for later : 

$nospace =  $1 if $string=~m/^\s*(\w+)\s*$/  ;
print $nospace  ;

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In reply to Re: How to eliminate white spaces,tabs,new lines at thestart and end of a long string ?? by secret
in thread How to eliminate white spaces,tabs,new lines at thestart and end of a long string ?? by sugarkannan

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