t="_top">book</a> ;-)</p>
      <p>Regular expressions provide a language to describe patterns that can be run against strings of characters
      (letter, numbers, etc), to see if they match the string or not. The patterns are themselves (sometimes complex)
      strings of literal characters, combined with wild-cards, and other special characters, called meta-characters.
      The <span class="QUOTE">"meta-characters"</span> have special meanings and are used to build complex patterns to
      be matched 