Your regular expression seems to work fine.. it's kind of
hard to read, but I assume the regular expression is
supposed to be
/[^a-zA-Z0-9_]/
First off, you don't need to negate the return value of the
regular expression.. it's fine as it is. The only
suggestion I could give would be that you might instead
want to simplify by saying:
/[^\w]/
As the \w metacharacter is equal to exactly a-zA-Z0-9_.
To simplify further:
/\W/
As \W is the opposite of \w
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