title: get specific words from string , ORACLE
body: <p>Kindly are there any one knows how to get a specific string from a huge string using pl/sql,
  I'm some kind beginner in creating querys,so any help will be useful.
  BTW i don't want to use the function : select substr( <em>*</em>, * ,* ) from * cuz the input is variable, so can any one help me on this problem,
  and do you advice me to use block instate of that.</p>
  
  <p>Thanks &amp; regards,</p>