How to check a string starts with numeric number?

Question

I have a string which contains alphanumeric character. I need to check whether the string is started with number. Thanks,

Accepted Answer

See the `isDigit(char ch)` method:

https://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Character.html

and pass it to the first character of the String using the `String.charAt()` method.

```
Character.isDigit(myString.charAt(0));
```

Solution