addField(field,options)

1. field：表单元素的name
2. options：校验规则

   $("#editableEmailDIV").append(addEmailDiv());
   $("#form-horizontal-edit").data('bootstrapValidator').addField('perEmail',{
    validators: {
        notEmpty: {
            message: '邮箱号不能为空！'
        },
        regexp  : {
            regexp : /^(\w)+(\.\w+)*@(\w)+((\.\w+)+)$/,
            message: '请输入正确的邮箱！'
        },
    }
   });