title: What do these Unicode characters (codepoints) mean in this regex?
body: <p>I have the following regular expression :
  I figured out most of the part which is as follows :</p>
  
  <pre>
  ValidationExpression="^[\u0020\u0027\u002C\u002D\u0030-\u0039\u0041-\u005A\u005F\u0061-\u007A\u00C0-\u00FF°&#46;/]{1,256}$"
  
  u0020 : SPACE
  u0027 : APOSTROPHE
  u002C : COMMA
  u002D : HYPHEN / MINUS
  u0030-\u0039\ : 0-9
  u0041-\u005A : A - Z
  u005F : UNDERSCORE
  u0061-\u007A\ : a - z
  
  u00C0-\u00FF°&#46;/ : ??
  </pre>
  
  <p>Need help in understanding the final part of the validation expression : </p>
  
  <pre>u00C0-\u00FF°&#46;/</pre>
  
  <p>Anyone has any idea what does this mean?</p>