1 files changed, 13 insertions, 1 deletions

diff --git a/mod11c.cpp b/mod11c.cpp
index 3e6ef18..2ce45b5 100644
--- a/mod11c.cpp
+++ b/mod11c.cpp
@@ -120,7 +120,19 @@ void isPalindrome ()
 
 void isAlpha () 
 {
-    cout << " alphabet check" << endl;
+    char str[MAX];
+    int i;
+
+    cout << "Enter a string to test: ";
+    cin >> str;
+
+    for (int i = 0; str[i] != '\0'; i++)
+    {
+        if (!isalnum(str[i]))
+        {
+            cout << str[i] << " is not alphanumeric" << endl;
+        }
+    }
 }