diff --git a/FluentValidator.Tests/StringValidationContractTests.cs b/FluentValidator.Tests/StringValidationContractTests.cs
index bcf1c78..35d7b34 100644
--- a/FluentValidator.Tests/StringValidationContractTests.cs
+++ b/FluentValidator.Tests/StringValidationContractTests.cs
@@ -191,5 +191,23 @@ public void Match()
 
             Assert.AreEqual(true, right.Valid);
         }
+
+        [TestMethod]
+        [TestCategory("StringValidation")]
+        public void HasNumber()
+        {
+            var wrong = new ValidationContract()
+                .Requires()
+                .HasNumber("wrong", "string", "String dont has number");
+
+            Assert.AreEqual(false, wrong.Valid);
+            Assert.AreEqual(1, wrong.Notifications.Count);
+
+            var right = new ValidationContract()
+                .Requires()
+                .HasNumber("correct1", "string", "String has number");
+
+            Assert.AreEqual(true, right.Valid);
+        }
     }
 }
diff --git a/FluentValidator/Validation/StringValidationContract.cs b/FluentValidator/Validation/StringValidationContract.cs
index 5a3e5a2..86447f2 100644
--- a/FluentValidator/Validation/StringValidationContract.cs
+++ b/FluentValidator/Validation/StringValidationContract.cs
@@ -18,8 +18,8 @@ public ValidationContract IsNullOrEmpty(string val, string property, string mess
                 AddNotification(property, message);
 
             return this;
-        }        
-        
+        }
+
         public ValidationContract IsNotNullOrWhiteSpace(string val, string property, string message)
         {
             if (string.IsNullOrWhiteSpace(val))
@@ -122,5 +122,13 @@ public ValidationContract Matchs(string text, string pattern, string property, s
 
             return this;
         }
+
+        public ValidationContract HasNumber(string val, string property, string message)
+        {
+            if (Regex.IsMatch(val ?? "", @"\d+"))
+                AddNotification(property, message);
+
+            return this;
+        }
     }
 }