Method isIn

src/main/java/org/apache/commons/lang3/CharRange.java:112–114

Constructs a CharRange over a set of characters. @param start first character, inclusive, in this range @param end last character, inclusive, in this range @return the new CharRange object @see CharRange#CharRange(char, char, boolean) @since 2.5

(final char start, final char end)

     * @since 2.5
     */
    public static CharRange isIn(final char start, final char end) {
        return new CharRange(start, end, false);
    }

    /**
     * <p>Constructs a negated {@code CharRange} over a set of characters.</p>