Mine

 // takes in a string and returns a vector of any email address contained. 
   public static Vector getEmailAddressesFromString(String body)
   {
       Vector v = new Vector();
       char[] bodyC = body.toCharArray();
       for (int i=0; i<bodyC.length; i++)
       {
           if (bodyC[i]=='@')
           {
               //@ found, - grab text before @ sign - until we hit an unallowed char
               int j=i;
               String beforeAt="";
               String afterAt="";
               char thisChar=bodyC[j];
               while( acceptable( bodyC[j] ) )
               {
                   //we step back each char til we find one that signifies that its outside the email address
                   thisChar=bodyC[j];
                   //System.out.println("thisChar:"+thisChar);
                   beforeAt=thisChar+beforeAt;
                   j--;
               }
               //- grab text after @ sign - until we hit an unallowed char
               thisChar='@';
               j=i;
               while (acceptable(bodyC[j]))
               {
                   //we step forward thru each char til we find one that signifies that its outside the email address
                   thisChar=bodyC[j];
                   if (i!=j) // so we dont get the @ again
                   {
                       afterAt+=thisChar;
                   }
                   j++;
               }
               v.addElement(beforeAt+afterAt);
               //System.out.println("~ "+beforeAt+afterAt);
           }
       }
       return v;
   }
   
   private static boolean acceptable(char c)
   {
       if ( c==' ' || c==',' || c=='!' || c=='#' || c=='$' || c=='%' || c=='^' || c=='&' || c=='*' || c==':')
       {
           return false;
       }
       return true;
   }