js正则表达式

1、手机号码

var _checkPhone = function(_val){
	var _isChecked = false;
	var pattern = /^1(3[0-9]|4[579]|5[0-9]|7[3678]|8[0-9])\d{8}$/;
	if (pattern.test(_val) && _val.length == 11){
		_isChecked = true;
	}
	return _isChecked;
};