title: Issue in fetching the required field using regex in pig
body: <p>The log file is as follows  :</p>
  
  <p>
  </p>
  
  <p>$4 : processName="ManageBillingAccountAssociations_V1.getSharedAccountDetails"</p>
  
  <p>l= foreach b generate REGEX_EXTRACT($4,'(.*[^a-z])',1);</p>
  
  <p>I am trying to fetch the "ManageBillingAccountAssociations_V1.getSharedAccountDetails"</p>
  
  <p>but I am getting the output as:
  processName="ManageBillingAccountAssociations_V1.getSharedAccountDetails"</p>
  
  <p>please help me..</p>