Method replace

lib/jf/src/main/java/com/jdon/util/StringUtil.java:147–172

(String s, String oldSub, String newSub)

	}

	public static String replace(String s, String oldSub, String newSub) {
		if ((s == null) || (oldSub == null) || (newSub == null)) {
			return null;
		}

		int y = s.indexOf(oldSub);

		if (y >= 0) {
			StringBuilder sb = new StringBuilder();
			int length = oldSub.length();
			int x = 0;

			while (x <= y) {
				sb.append(s.substring(x, y));
				sb.append(newSub);
				x = y + length;
				y = s.indexOf(oldSub, x);
			}

			sb.append(s.substring(x));

			return sb.toString();
		} else {
			return s;
		}
	}

	public static String replace(String s, String[] oldSubs, String[] newSubs) {
		if ((s == null) || (oldSubs == null) || (newSubs == null)) {