Check for valid postcode using regex

[Arkie]

Code

GeSHi (java):
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
class RegexString {
	public static void main(String[] args){
		String txt="1234AB";	
		String re1="^[0-9]{4}[a-z|A-Z]{2}$";	
 
		Pattern p = Pattern.compile(re1);
		Matcher m = p.matcher(txt);
		if (m.matches()){
			String text=m.group(0);	
			System.out.print("Postcode: "+text.toString());
		}
		if (!m.matches()){	
			System.out.print("Not a valid postcode.");
		}
	}
}
 
Created by GeSHI 1.0.7.20