title: Removing all characters before certain string
body: <p>How can I remove everything before the first ABC in a string?</p>
  
  <p>So that this:
  <strong>somethingrandomABCotherrandomstuffABCmorerandomstuffABC</strong></p>
  
  <p>turns to this:
  <strong>otherrandomstuffABCmorerandomstuffABC</strong>.</p>
  
  <p>Is this possible with php?</p>