jodd-core/src/main/java/jodd/util/CharSequenceUtil.java
public static boolean equalsOne(final char c, final CharSequence match) {
		for (int i = 0; i < match.length(); i++) {
			char aMatch = match.charAt(i);
			if (c == aMatch) {
				return true;
			}
		}
		return false;
	}
public static boolean equalsOne(final char c, final CharSequence match) {
		for (int i = 0; i < match.length(); i++) {
			char aMatch = match.charAt(i);
			if (c == aMatch) {
				return true;
			}
		}
		return false;
	}
Match if one character equals to any of the given character.

@return <code>true</code> if characters match any character from given array,
otherwise <code>false</code>