Regular Expression Example:



import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PatternMatcherTesting {

    public static void main(String[] args) {
        // TODO code application logic here
        Pattern pat = Pattern.compile("[ab]+");
       
    Matcher mat = pat.matcher("subjeaact  caaaode : 63bb0002 Jaaaaava 4a56 PrograbbbJava mming.bbbbb.. Java ba");
       
        while (mat.find())
        {
               
        System.out.println("Value is :"+ mat.group() + " found at index : " + mat.start());
        }
        }  
   
}

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