jodd-lagarto/src/main/java/jodd/lagarto/Scanner.java
protected final CharSequence charSequence(final int from, final int to) {
		if (from == to) {
			return CharArraySequence.EMPTY;
		}
		return CharArraySequence.of(input, from, to - from);
	}
protected final CharSequence charSequence(final int from, final int to) {
		if (from == to) {
			return CharArraySequence.EMPTY;
		}
		return CharArraySequence.of(input, from, to - from);
	}
Creates char sub-sequence from the input.