MatchZipCodes.java Source code

Introduction

Here is the source code for MatchZipCodes.java

Source

/*
#Japanese postal codes
zipJP=^\d{3}-\d{4}$
    
#US postal codes
zipUS=^\d{5}\p{Punct}?\s?(?:\d{4})?$
    
#Dutch postal code
zipNL=^[0-9]{4}\s*[a-zA-Z]{2}$
    
#Argentinean postal code
zipAR=^\d{3}-\d{4}$
    
#Swedish postal code
zipSE=^(s-|S-){0,1}[0-9]{3}\s?[0-9]{2}$
    
#Canadian postal code
zipCA=^([A-Z]\d[A-Z]\s\d[A-Z]\d)$
    
#UK postal code
zipUK=^[a-zA-Z]{1,2}[0-9][0-9A-Za-z]{0,1} {0,1}[0-9][A-Za-z]{2}$
    
    
*/

public class MatchZipCodes {
    public static void main(String args[]) {
        isZipValid("45643-4443");
        isZipValid("45643");
        isZipValid("443");
        isZipValid("45643-44435");
        isZipValid("45643 44435");
    }

    public static boolean isZipValid(String zip) {
        boolean retval = false;
        String zipCodePattern = "\\d{5}(-\\d{4})?";
        retval = zip.matches(zipCodePattern);

        String msg = "NO MATCH: pattern:" + zip + "\r\n             regex: " + zipCodePattern;

        if (retval) {
            msg = "MATCH   : pattern:" + zip + "\r\n             regex: " + zipCodePattern;
        }

        System.out.println(msg + "\r\n");
        return retval;
    }
}