code: public static Predicate<String> contains(final String value) {
  		return new Predicate<String>() {
  			@Override
  			public boolean apply(final String input) {
  				return input.contains(value);
  			}
  		};
  	}
docs: Creates a {@link Predicate} that returns {@code true} for any string that contains the
  specified prefix.
  
  @param value
  The value
  @return {@code true} for any string that contains the specified prefix