title: Concatenation of a string and a regex in java
body: <p>I want to concatenate a regex and a string and want to compare the resultant string with another string.How can I do that in java?</p>
  
  <pre><code>import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  
  public class RegexMatching {
  
  
  public static void main(String aaa[])
  {
      String testStr="anjaneyPANDEY";
  
      String regEx = "([A-Z])";
  
      Pattern pattern = Pattern.compile(regEx);
      Matcher matcher = pattern.matcher(testStr);
  
      String st="anjaney"+regEx;
      if(testStr.matches(st))
          System.out.println("YES");
      else System.out.println("NO");
  }
  }
  </code></pre>