Java/Regular Expressions/ZIP Code

Match Zip

   <source lang="java">

/*

1. Japanese postal codes

zipJP=^\d{3}-\d{4}$

1. US postal codes

zipUS=^\d{5}\p{Punct}?\s?(?:\d{4})?$

1. Dutch postal code

zipNL=^[0-9]{4}\s*[a-zA-Z]{2}$

1. Argentinean postal code

zipAR=^\d{3}-\d{4}$

1. Swedish postal code

zipSE=^(s-|S-){0,1}[0-9]{3}\s?[0-9]{2}$

1. Canadian postal code

zipCA=^([A-Z]\d[A-Z]\s\d[A-Z]\d)$

1. 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;
 }

}

 </source>
   
  
 
  

Match Zip Codes

   <source lang="java">

public class Main {

 public static void main(String[] a) {
   String zip = "1234-123";
   String zipCodePattern = "\\d{5}(-\\d{4})?";
   boolean retval = zip.matches(zipCodePattern);
 }

}

 </source>