package mojijavatutoriali;
import java.util.regex.*;

/**
 * Created by Uporabnik on 10. 03. 2016.
 */
public class java20 {

    public static void main(String args[]){
        String longString = " Derek Banas CA 12345 PA (412)555-1212 johnsmith@hotmail.com 412-555-1234 412 555-1234 ";
        String strangeString = " 1Z aaa **** *** {{{ {{ { ";

        /*
		[ ]  Insert characters that are valid
		[^ ]  Insert characters that are not valid
		\\s  Any white space
		\\S  Any non white space
		{n,m}  Whatever proceeds must occur between n and m times
		*/

        // Word must contain letters that are 2 to 20 characters in length
        // [A-Za-z]{2,20} 0r \w{2,20}

        regexChecker("\\s[A-Za-z]{2,20}\\s",longString);





    }
    public static void regexChecker(String theRegex, String str2Check){
        Pattern checkRegex = Pattern.compile(theRegex);
        Matcher regexmatcher = checkRegex.matcher(str2Check);
        while(regexmatcher.find()){
            if(regexmatcher.group().length()!=0){
                System.out.println(regexmatcher.group().trim());
            }

            System.out.println("Start index: " + regexmatcher.start());
            System.out.println("End index: " + regexmatcher.end());
        }
    }
}