title: Regex concat with "AND" opeartor
body: <p>I want to concatenate two Regular expressions with AND operator (I don't know if this is possible ... ) so the match happens only when the string matches RegEx1 and RegEx2.</p>
  
  <pre><code> RegEx1: [a-g]+
   RegEx2: [b-z]+
   Example1 : String "bcd" match 
   Example2 : String "hijk" not match 
  </code></pre>
  
  <p>It was easy with OR operator, but for AND I could not find a solution. </p>