hellow , How to write code html ,css and javascript for valdation phone number by this code:

var regex = new RegExp(/^(009665|9665|\+9665|05|5)(5|0|3|6|4|9|1|8|7)([0-9]{7})$/);

regex.test('0501234567'); // return true;

regex.test('0521234567'); // return false;

Note that I need many fields of the same type

var regex = new RegExp (//(0096659665+9665 055)(503649187)([09]{7})$/); regex.test(' 0501234567); // return true; regex.test('0521234567'); // return false