如何编写至少与10位数字匹配并且只能具有数字和感叹号的正则表达式

Question

I need to write a regex that matches the following conditions:

1. At least 10 digits
2. Can contain only digits and exclamation mark

I can write a regex that matches ten digits like this:

^([0-9]){10,}$

Or that matches only digits and exclamation mark:

^[0-9!]$

But I can't figure out how to join those two together.

Here is the valid example:

152!1582!!1827

Here is the invalid example:

4!!!!!!!!!!!!!3!

Answer 1

^!*([0-9]!*){10,}$

may be start with zero or more ! , and then have at least 10 repeat of the form a digit and zero or more !

Answer 2

^!*(\\d!*){10,}$ should satisfy your needs.

 function validate() { var field = document.getElementById("inputField"); console.log(/^!*(\\d!*){10,}$/.test(field.value)); } 

 <input type="text" id="inputField"> <button onclick="validate()">Validate</button>