@ Override public String toPattern ( boolean escapeUnprintable ) { if ( pat != null && ! escapeUnprintable ) { return pat ; } StringBuilder result = new StringBuilder ( ) ; return _toPattern ( result , escapeUnprintable ) . toString ( ) ; }
Returns a string representation of this set . If the result of calling this function is passed to a UnicodeSet constructor it will produce another set that is equal to this one .