判断字符中是否包含有特殊字符： 

function containSpecial( s ) {

　　var containSpecial = RegExp(/[(\ )(\~)(\!)(\@)(\#)(\$)(\%)(\^)(\&)(\*)(\()(\))(\-)(\_)(\+)(\=)(\[)(\])(\{)(\})(\|)(\\)(\;)(\:)(\‘)(\")(\,)(\.)(\/)(\<)(\>)(\?)(\)]+/);

　　return ( containSpecial.test(s) );

}    

特殊符号验证规则