Is there any way to match any string that is not a specific string?
Like the opposite effect of "abc"
Does "^abc" match any string that is not "abc"?
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Supprizingly there is not such a feature in regex.
Definitly, "^abc" does not mean any string that is not "abc"

https://stackoverflow.com/questions/7317043/regex-not-operator

However, you can use negative lookahead and lookbehind to simulate
the effect.

Since negative lookbehind is not fully implemented in JavaScript across browsers,
this will be a real headack.