code: public static String fromWellFormed(String value) {
          if (value == null) {
              return LogicalValue.ANY.getAbbreviation();
          }
          //return value.replaceAll("\\\\([^0-9A-Za-z])", "$1");
          StringBuilder buffer = new StringBuilder(value);
          char p = ' ';
          for (int x = 0; x < buffer.length() - 1; x++) {
              char c = buffer.charAt(x);
              if (c == '\\' && p != '\\') {
                  buffer.delete(x, x + 1);
                  x -= 1;
              }
              p = c;
          }
          return buffer.toString();
      }
docs: Transforms the given well formed string into a non-escaped string. A well
  formed string has all non-alphanumeric characters escaped with a
  backslash.
  
  @param value the well formed string
  @return the string value represented by the well formed string