Numbers, letters, and underscore with no special characters, no spaces, no leading number, and no leading or trailing underscore for use in KnockoutJS (or any JS validation).

Break URLs into three parts Url ? QueryString

If you need to select only the firs complete word for each paragraph.

Regular expression for General Assembly WDi 14

This expression is used to attempt to ID version of code.

Cross-engine query string parsing including when stored in anchor tags. Not really tested, but basic functionality is there.

Use to find css sizing that migh need conversion to vs or alike.

Match BEM type regex.

Allows a phone number in the following format: (123) 123-1234 The space is optional

xxx.xxx.xxx.xxx and xxx.xxx.xxx.xxx/xxx

validates the format for the rfc

complete one email validation regex