private static String createRegexForReplace(String toFind) {
		char[] find = toFind.toCharArray();
		StringBuilder regexString = new StringBuilder();
		for (char f : find) {
			int d = f;
			if ((d >= 65 && d <= 90) || (d >= 97 && d <= 122)) {
				regexString.append("[");
				regexString.append(Character.toString((char) d));
				int temp = d;
				if (Character.isLowerCase(f)) {
					temp = d - 32;
				} else {
					temp = d + 32;
				}
				regexString.append(Character.toString((char) temp));
				regexString.append("]");
			} else if (d == 32) {

				regexString.append("[\\s]");
			} else {
				regexString.append("[");
				regexString.append(f);
				regexString.append("]");
			}
		}
		return regexString.toString();
	}