diff --git a/test/utils/sanitizer.utils.test.ts b/test/utils/sanitizer.utils.test.ts
index 416cb6b..6ed8858 100644
--- a/test/utils/sanitizer.utils.test.ts
+++ b/test/utils/sanitizer.utils.test.ts
@@ -1,5 +1,7 @@
 import { getDomainFromEmail } from "../../src/utils/sanitizer.utils";
 import { removeNonNumeric } from "../../src/utils/sanitizer.utils";
+import { removeNonAlpha } from "../../src/utils/sanitizer.utils";
+import { removeNonAlphanumeric } from "../../src/utils/sanitizer.utils";
 
 describe("Sanitize Email", () => {
   const inputs = [
@@ -30,3 +32,27 @@ describe("Remove non-numeric", () => {
     });
   }
 });
+
+describe("Remove non-Alpha", () => {
+  const inputs = ["DROP/*comment*/sampletable", "10; DROP TABLE members /*"];
+  const outputs = ["DROPcommentsampletable", "DROPTABLEmembers"];
+  for (const key in inputs) {
+    const input = inputs[key];
+    const desired = outputs[key];
+    test(`Should return with only letters: ${key}`, () => {
+      expect(removeNonAlpha(input)).toEqual(desired);
+    })
+  }
+})
+
+describe("Remove non-alphanumeric", () => {
+  const inputs = ["DROP/*comment*/sampletable", "10; DROP TABLE members /*", "1F44"];
+  const outputs = ["DROPcommentsampletable", "10DROPTABLEmembers", "1F44"];
+  for (const key in inputs) {
+    const input = inputs[key];
+    const desired = outputs[key];
+    test(`Should return with only alphanumeric: ${key}`, () => {
+      expect(removeNonAlphanumeric(input)).toEqual(desired);
+    })
+  } 
+})
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