5 Common Regex Patterns Every Developer Should Know

Why reinvent the wheel? Here are 5 patterns you'll use again and again.

1. Email Address

^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$

2. Phone Number (US)

^(\([0-9]{3}\) |[0-9]{3}-)[0-9]{3}-[0-9]{4}$

3. Date (YYYY-MM-DD)

^\d{4}-\d{2}-\d{2}$

4. URL

https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)

5. Hex Color

^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$

Test these out in our Regex Tester!