It only allows letters including ñ and Ñ doesn't allow other special character besides comma and dot doesn't allow 2 consecutively dot and comma in any part of the name What should I add to my regex? ^[a-zA-Z]+$

Reputation: 21

A regex that doesn't accept 2 dot and 2 comma consecutively - Allows letters only

What should I add to my regex?

^[a-zA-Z]+$

Upvotes: 0

Reputation: 522741

I would phrase your regex as:

^(?!.*[.,]{2})[A-Za-zñÑ.,]+$

Explanation:

^ from the start of the string
(?!.*[.,]{2}) assert that no consecutive dots or commas occur
[A-Za-zñÑ.,]+ match a letter, including ñ and Ñ, dot or comma, one or more times
$ end of the string

Upvotes: 1