OK, I found the answer myself. Just in case anyone else ever has the same problem... its because I included brackets!! The following will work fine. I felt they improved readability, but this is no good at the expense of it not working ;D

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

Sorry people.

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

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