javascript - Regex for Vehicle registration number

Question

I want a regular expression for identifying Vehicles' registration number. A valid registration number must be contain 10 characters or digits but no special characters or whitespaces. For example KA01AB1234 is a valid registration number whereas KA01AB 234 is not.

Answer 1

What about it:

Pattern.compile("^[A-Z]{2}[0-9]{2}[A-Z]{2}[0-9]{4}$")