title: REGEXP_REPLACE string compare
body: <p>in oracle I would like to compare 2 string as below</p>
  
  <blockquote>
    <p>19.12.XX.11 = 19.12.YY.11</p>
  </blockquote>
  
  <p>I have tried with the below one but it only replaces the 1st character only</p>
  
  <pre><code>select REGEXP_REPLACE('19.12.1.11' ,'.', 'x', 4, 4  ) 
    from dual;   
  </code></pre>