What it captures Allows to capture 'Square Brackets' and any characters in the brackets

e.g. convert new Date().toISOString(); // == "2016-11-21T08:00:00.000Z" into "2016-11-21T08:00:00"

validate html tags should have end tags, closing single, double quotes

Matches all valid URLs. Does not match things such as mailto:someone@example.com and http://a.b/.

This regex targets a customer specific requirement for a regex that matches US Social security numbers either separated by -(dash), space or nothing. So it should match: 702-02-9921 702 02 9921 702029921...