m/\S=\S| =\S|\S= /g

[download]

Since you are concerned about readability, here is what I would prefer ... not that everyone thinks like me, but at least you have one more option :-)

# Bad: m/[\S ]=[\S ]/g
m/(?!: = ).=./gs

[download]

Update:I should not post this early ... I misread the specs. Without doing capturing braces (and you don't want that, I gather), I can do no better than your version.

Update 2:Added the negative lookahead version.

The Sidhekin
print "Just another Perl ${\(trickster and hacker)},"

In reply to Re: Re: Rewriting Three Regexes as One by Sidhekin
in thread Rewriting Three Regexes as One by arunhorne

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