src/main/java/com/github/fge/grappa/parsers/BaseParser.java
@DontLabel
    public Rule anyOf(final String characters)
    {
        Objects.requireNonNull(characters);
        // TODO: see in this Characters class whether it is possible to wrap
        return anyOf(characters.toCharArray());
    }
@DontLabel
    public Rule anyOf(final String characters)
    {
        Objects.requireNonNull(characters);
        // TODO: see in this Characters class whether it is possible to wrap
        return anyOf(characters.toCharArray());
    }
Match any of the characters in the given string

<p>This method delegates to {@link #anyOf(Characters)}.</p>

@param characters the characters
@return a rule

@see #anyOf(Characters)