How do I find if string has at least one character using regex?

Question

Examples:

1. "1 name": Should say it has characters
2. "10,000": OK
3. "na123me": Should say it has characters
4. "na 123, 000": Should say it has characters

Answer 1

public class HasCharacters  {
    public static void main( String [] args ){
        if( args[0].matches(".*[a-zA-Z]+.*")){
            System.out.println( "Has characters ");
        } else {
            System.out.println("Ok");   
        }
    }
}

Test

$java HasCharacters "1 name" 
Has characters 
$java HasCharacters "10,000"
Ok
$java HasCharacters "na123me"
Has characters 
$java HasCharacters "na 123, 000" 
Has characters