Add new attributes

Validation/StandardDescriptionAttribute.cs

@@ -0,0 +1,13 @@
+
+using System.ComponentModel.DataAnnotations;
+using System.Numerics;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace NejCommon.Validation;
+
+public class StandardDescriptionAttribute : RegexAttribute{
+    public StandardDescriptionAttribute() : base(@"^[\p{L}\p{N}\p{P}\s]*$","Brown fox's - jumping over lazy dogs.", "Only normal characters are allowed, no emjos, etc."){
+
+    }
+}

Validation/StandardTextAttribute.cs

@@ -0,0 +1,13 @@
+
+using System.ComponentModel.DataAnnotations;
+using System.Numerics;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace NejCommon.Validation;
+
+public class StandardTextAttribute : RegexAttribute{
+    public StandardTextAttribute() : base("^[a-zA-Z0-9_-]*$","Aa_bb-123"){
+
+    }
+}