That's indeed a syntax error, and I've no idea what your intention is. Earlier you write matches a pattern and then removes only 6 of the following or preceding characters. which gives some clues about what you want, but is vague enough that if I were to guess, I'd mostly guess wrong.

Could you clearify what it is you want?

is there a way to invert the pattern then apply it?
Maybe, maybe not. What do you mean by "inverting the pattern"?

In reply to Re: Regex - remove characters (pattern not terminated) by JavaFan
in thread Regex - remove characters (pattern not terminated) by twaddlac

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