public static boolean containsIgnoreCase(CharSequence a, CharSequence b) {
        return contains(a, b, AsciiCaseInsensitiveCharEqualityComparator.INSTANCE);
    }
public static boolean containsIgnoreCase ( CharSequence a , CharSequence b ) { return contains ( a , b , AsciiCaseInsensitiveCharEqualityComparator . INSTANCE ) ; }
Determine if {@code a} contains {@code b} in a case insensitive manner.