I am trying to write a program to match all occurences of &, but not any of &

I have been able to generate &[^amp;] for my patern, but this negates matching on &a, &m, &p, &; which I would like to find.... I tried &[^a][^m][^p][^;], but that still blocks &a

How on earth do I do this?

In reply to using regex to not match a string by Anonymous Monk

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