javascript - SyntaxError: Invalid regular expression: missing / -

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According to my reqx it seems to work, but when I implement it in my javascript

var prefix = hash.replace (/ \ / | # / g, '');

I will get the following error: Syntax Error: Invalid Regular Expression: Missing / Psychic Debugging: Your code is not in plain JavaScript or HTML file, but from a scripting language Is being printed.

which is a comment character # / g, ''); The piece is considered as a comment in your script.

You must add some quotation to ensure that the whole line is printed. / P>

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