const regex = /(is_granted\()\[(\W.+?)\]/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(is_granted\\()\\[(\\W.+?)\\]', 'gm')
const str = `"expr(not is_granted(['SITE_PERMISSION_VIEW_AUDIT_ANSWER_OPTIONS']) and not is_granted(['SITE_PERMISSION_CREATE_AUDITS']) and not is_granted(['SITE_PERMISSION_CREATE_AUDIT_TEMPLATES']))",`;
const subst = `$1$2`;
// The substituted value will be contained in the result variable
const result = str.replace(regex, subst);
console.log('Substitution result: ', result);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions