Hi try this, 

$line = '<br>  2<br>   3<br>   4';
$line =~ s#(?= )#&nbsp#gsi;
while ($line =~ s#(&nbsp) (&nbsp)#$1$2#gsi) { }
print $line;

o/p:
<br>&nbsp&nbsp 2<br>&nbsp&nbsp&nbsp 3<br>&nbsp&nbsp&nbsp 4

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gube

In reply to Re: Replace a word in a line except for the last char of the word? by gube
in thread Replace a word in a line except for the last char of the word? by Ronnie Doorzon

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