Wojciech Zagrajczuk

### SDK version ``` v2.25.0 ``` ### Relevant provider source code ```go "aaa": { Optional: true, Type: schema.TypeList, MaxItems: 1, Elem: &schema.Resource{ Schema: map[string]*schema.Schema{ "start_date": { ValidateDiagFunc: validateRegex("^[1-9]\\d*$"), Optional: true,...