title: Regex that match any string except specific string
body: <p>I have a case that spend many time for me so i decided to ask here ,</p>
  <p>lets say i have a text :</p>
  <p>&quot;the time right now is 00:00:11:12&quot;</p>
  <p>i want to match any case of time (&quot;xx:xx:xx&quot;) except the case of &quot;00:00:00&quot; how can i do this?</p>
  <p>Thank from advance :)</p>