Prism.languages.jsonp = Prism.languages.extend('json', { punctuation: /[{}[\]();,.]/, }); Prism.languages.insertBefore('jsonp', 'punctuation', { function: /(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*\()/, });