diff --git a/Validation/IdentifierTextAttribute.cs b/Validation/IdentifierTextAttribute.cs
new file mode 100644
index 0000000..9459d5e
--- /dev/null
+++ b/Validation/IdentifierTextAttribute.cs
@@ -0,0 +1,13 @@
+
+using System.ComponentModel.DataAnnotations;
+using System.Numerics;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace NejCommon.Validation;
+
+public class IdentifierTextAttribute : RegexAttribute{
+    public IdentifierTextAttribute() : base("^[a-zA-Z0-9_-]*$","Aa_bb-123"){
+
+    }
+}
\ No newline at end of file
diff --git a/Validation/StandardTextAttribute.cs b/Validation/StandardTextAttribute.cs
index 152de3e..239919a 100644
--- a/Validation/StandardTextAttribute.cs
+++ b/Validation/StandardTextAttribute.cs
@@ -7,7 +7,7 @@ using System.Text.RegularExpressions;
 namespace NejCommon.Validation;
 
 public class StandardTextAttribute : RegexAttribute{
-    public StandardTextAttribute() : base("^[a-zA-Z0-9_-]*$","Aa_bb-123"){
+    public StandardTextAttribute() : base("^[a-zA-Z0-9_-., ]*$","Aa_bb-123"){
 
     }
 }
\ No newline at end of file