Converting a Regex Expression that works in Chrome to work in Firefox [duplicate]
问题 This question already has answers here : Javascript: negative lookbehind equivalent? (13 answers) Closed 6 months ago . I have this Regex Expression that works in chrome but doesn't not work in Firefox. SyntaxError: invalid regexp group It has something to do with lookbehinds and Firefox does not support these. I need this to work in Firefox can some one help me convert this so it works in Firefox and filters out the tags as well? return new RegExp(`(?!<|>|/|&|_)(?<!</?[^>]*|&[^;]*)(${term