Regex, every non-alphanumeric character except white space or colon

Question

How can I do this one anywhere?

Basically, I am trying to match all kinds of miscellaneous characters such as ampersands, semicolons, dollar signs, etc.

Answer 1

In JavaScript:

/[^\w_]/g

^ negation, i.e. select anything not in the following set

\w any word character (i.e. any alphanumeric character, plus underscore)

_ negate the underscore, as it's considered a 'word' character

Usage example - const nonAlphaNumericChars = /[^\w_]/g;