Java/Regular Expressions/Match Address

Match Address: mixing numbers and characters

   <source lang="java">

public class Main {

 public static void main(String args[]) {
   String addr = "street 124 a0a";
   String nameToken = "\\p{Upper}(\\p{Lower}+\\s?)";
   String namePattern = "(" + nameToken + "){2,3}";
   String zipCodePattern = "\\d{5}(-\\d{4})?";
   String addressPattern = "^" + namePattern + "\\w+ .*, \\w+ " + zipCodePattern + "$";
   System.out.println(addr.matches(addressPattern));
 }

}

</source>
   
  
 
  

Match address regular expressions

   <source lang="java">

public class MatchAddress {

 public static void main(String args[]) {
   isAddressValid("John Smith 888 Luck Street,NY 64332");
   isAddressValid("John A. Smith 888 Luck Street, NY 64332-4453");
   isAddressValid("John Allen Smith 888 Luck Street, NY 64332-4453");
   isAddressValid("888 Luck Street, NY 64332");
   isAddressValid("P.O. BOX 888 Luck Street, NY 64332-4453");
   isAddressValid("John Allen Smith 888 Luck st., NY");
 }
 public static boolean isAddressValid(String addr) {
   boolean retval = false;
   String nameToken = "\\p{Upper}(\\p{Lower}+\\s?)";
   String namePattern = "(" + nameToken + "){2,3}";
   String zipCodePattern = "\\d{5}(-\\d{4})?";
   String addressPattern = "^" + namePattern + "\\w+ .*, \\w+ "
       + zipCodePattern + "$";
   retval = addr.matches(addressPattern);
   String msg = "NO MATCH\npattern:\n " + addr + "\nregexLength:\n "
       + addressPattern;
   if (retval) {
     msg = "MATCH\npattern:\n " + addr + "\nregexLength:\n "
         + addressPattern;
   }
   System.out.println(msg + "\r\n");
   return retval;
 }

}

      </source>
   
  
 
  

Match Email address

   <source lang="java">
 /**
  * SubStringDemo.java separates domain name like "@yahoo.ru"
  * from email id like "suraj.gupta@yahoo.ru"
  *
  */   
 public class SubStringDemo {
       /**
        * @author suraj.gupta
        */
    public static void main(String[] args) {
       String s = "suraj.gupta@yahoo.ru"; // email id in a String
       int IndexOf = s.indexOf("@"); // returns an integer which tells the position of this substring "@" in the parent String "suraj.gupta@yahoo.ru"
       String domainName = s.substring(IndexOf); //prints the String after that index
       System.out.println("Taking Domain name from an email id "+domainName);
    }
 }
          
      </source>