Application: gvSIG desktop

		return isRealNumberWithIntegerExponent(word);

	 * Returns true if the word is a real number with or without the 'E' (or 'e') symbol for the exponent; else returns false <br>

	 * It's supposed that '.' is the symbol for separate integer from decimal part in the base. <br>

	 * The exponent must be an integer number

	 * 

	 * If it's a natural, integer or real number, it's a real number with integer exponent

	 *  

	 * @param word An string

	 * @return A boolean value

	 */

	public static boolean isRealNumberWithIntegerExponent(String word) {

		// Remove all spaces and tabs at beginning and end

		word = word.trim();

		int numberOfPoints = 0;

		// If no word

		if (word.length() == 0)

			return false;

		// Try to remove the sign of the number

		if ((word.charAt(0) == '-') || (word.charAt(0) == '+'))

			word = word.substring(1, word.length());

		// Analize the word

		int i = 0;

//		for (int i = 0; i < word.length(); i++) {

		while ((i < word.length()) && (Character.toUpperCase(word.charAt(i)) != 'E')) {

			switch (word.charAt(i)) {

				case '0': case '1': case '2': case '3': case '4':

				case '5': case '6': case '7': case '8': case '9':

					// do nothing (continue)

					break;

				case '.':

					// If there was another point -> fail

					if (numberOfPoints == 1)

						return false;

					else

						numberOfPoints ++;

					break;

				default:

					return false;

			}

			i++;

		}

		if (i == word.length())

			return true;

		numberOfPoints = 0;

		// Jump the symbol E

		i++;

		if (i == word.length())

			return false;

		// Try to remove the sign of the number

		if ((word.charAt(i) == '-') || (word.charAt(i) == '+')) {

			word = word.substring(++i, word.length());

			i = 0;

		}

		if (word.length() == 0)

			return false;

		while (i < word.length()) {

			switch (word.charAt(i)) {

				case '0': case '1': case '2': case '3': case '4':

				case '5': case '6': case '7': case '8': case '9':

					// do nothing (continue)

					break;

				default:

					return false;

			}

			i++;

		}

		return true;

	}

	/**

	 * If it's a natural, integer, real number or real number with integer exponent, it's a real number with real exponent

	public static boolean isRealNumberWithRealExponent(String word) {

		if ((word.charAt(i) == '-') || (word.charAt(i) == '+')) {

			i = 0;

		}