diff --git a/package.json b/package.json
index ad46841..0739813 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
       "babel"
     ],
     "testPathIgnorePatterns": [
-      "src/__tests__/utils"
+      "src/__tests__/test-utils"
     ]
   },
   "lint-staged": {
diff --git a/src/PowerSelect/__tests__/PowerSelect-test.js b/src/PowerSelect/__tests__/PowerSelect-test.js
index de7045d..0f9b0e0 100644
--- a/src/PowerSelect/__tests__/PowerSelect-test.js
+++ b/src/PowerSelect/__tests__/PowerSelect-test.js
@@ -1,8 +1,8 @@
 // /* global describe, it, expect */
 import React from 'react';
 import sinon from 'sinon';
-import PageObjectBase from '../../__tests__/utils/create-page-object';
-import { frameworks, countries, KEY_CODES } from '../../__tests__/utils/constants';
+import PageObjectBase from '../../__tests__/test-utils/create-page-object';
+import { frameworks, countries, KEY_CODES } from '../../__tests__/test-utils/constants';
 import PowerSelect from '../index';
 
 class PowerSelectPageObject extends PageObjectBase {
diff --git a/src/PowerSelectMultiple/__tests__/PowerSelectMultiple-test.js b/src/PowerSelectMultiple/__tests__/PowerSelectMultiple-test.js
index d34d540..dc2f7e7 100644
--- a/src/PowerSelectMultiple/__tests__/PowerSelectMultiple-test.js
+++ b/src/PowerSelectMultiple/__tests__/PowerSelectMultiple-test.js
@@ -1,8 +1,8 @@
 // /* global describe, it, expect */
 import React from 'react';
 import sinon from 'sinon';
-import PageObjectBase from '../../__tests__/utils/create-page-object';
-import { frameworks, countries, KEY_CODES } from '../../__tests__/utils/constants';
+import PageObjectBase from '../../__tests__/test-utils/create-page-object';
+import { frameworks, countries, KEY_CODES } from '../../__tests__/test-utils/constants';
 import PowerSelectMultiple from '../index';
 
 class PowerSelectMultiplePageObject extends PageObjectBase {
diff --git a/src/TypeAhead/__tests__/TypeAhead-test.js b/src/TypeAhead/__tests__/TypeAhead-test.js
index be55908..58a11e2 100644
--- a/src/TypeAhead/__tests__/TypeAhead-test.js
+++ b/src/TypeAhead/__tests__/TypeAhead-test.js
@@ -1,8 +1,8 @@
 // /* global describe, it, expect */
 import React from 'react';
 import sinon from 'sinon';
-import PageObjectBase from '../../__tests__/utils/create-page-object';
-import { frameworks, countries, KEY_CODES } from '../../__tests__/utils/constants';
+import PageObjectBase from '../../__tests__/test-utils/create-page-object';
+import { frameworks, countries, KEY_CODES } from '../../__tests__/test-utils/constants';
 import TypeAhead from '../index';
 
 class TypeAheadPageObject extends PageObjectBase {
diff --git a/src/__tests__/utils/constants.js b/src/__tests__/test-utils/constants.js
similarity index 100%
rename from src/__tests__/utils/constants.js
rename to src/__tests__/test-utils/constants.js
diff --git a/src/__tests__/utils/create-page-object.js b/src/__tests__/test-utils/create-page-object.js
similarity index 100%
rename from src/__tests__/utils/create-page-object.js
rename to src/__tests__/test-utils/create-page-object.js
diff --git a/src/__tests__/utils/matcher-test.js b/src/__tests__/utils/matcher-test.js
new file mode 100644
index 0000000..7bae4f1
--- /dev/null
+++ b/src/__tests__/utils/matcher-test.js
@@ -0,0 +1,56 @@
+// /* global describe, it, expect */
+import { matcher } from './../../utils';
+
+describe('matcher()', () => {
+  it('should match string', () => {
+    const option = 'option';
+    expect(matcher({ option, searchTerm: '' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'opt' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'opt ' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'a' })).toBe(false);
+  });
+  it('should match number', () => {
+    const option = 1234567;
+    expect(matcher({ option, searchTerm: '' })).toBe(true);
+    expect(matcher({ option, searchTerm: '12' })).toBe(true);
+    expect(matcher({ option, searchTerm: '12 ' })).toBe(true);
+    expect(matcher({ option, searchTerm: '9' })).toBe(false);
+  });
+  it('should match not undefined', () => {
+    const option = undefined;
+    expect(matcher({ option, searchTerm: '' })).toBe(false);
+    expect(matcher({ option, searchTerm: 'opt' })).toBe(false);
+    expect(matcher({ option, searchTerm: '12' })).toBe(false);
+  });
+  it('should match not null', () => {
+    const option = null;
+    expect(matcher({ option, searchTerm: '' })).toBe(false);
+    expect(matcher({ option, searchTerm: 'opt' })).toBe(false);
+    expect(matcher({ option, searchTerm: '12' })).toBe(false);
+  });
+
+  const option = { name: 'Matthew Stevens', age: 6, id: null };
+  it('should match string in object', () => {
+    expect(matcher({ option, searchTerm: '', searchIndices: 'name' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'mAt', searchIndices: 'name' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'mat', searchIndices: 'name' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'mat ', searchIndices: 'name' })).toBe(true);
+    expect(matcher({ option, searchTerm: 'b', searchIndices: 'name' })).toBe(false);
+  });
+  it('should match number in object', () => {
+    expect(matcher({ option, searchTerm: '', searchIndices: 'age' })).toBe(true);
+    expect(matcher({ option, searchTerm: '6', searchIndices: 'age' })).toBe(true);
+    expect(matcher({ option, searchTerm: '6 ', searchIndices: 'age' })).toBe(true);
+    expect(matcher({ option, searchTerm: '1', searchIndices: 'age' })).toBe(false);
+  });
+  it('should match not undefined in object', () => {
+    expect(matcher({ option, searchTerm: '', searchIndices: 'gender' })).toBe(false);
+    expect(matcher({ option, searchTerm: 'opt', searchIndices: 'gender' })).toBe(false);
+    expect(matcher({ option, searchTerm: '12', searchIndices: 'gender' })).toBe(false);
+  });
+  it('should match not null in object', () => {
+    expect(matcher({ option, searchTerm: '', searchIndices: 'id' })).toBe(false);
+    expect(matcher({ option, searchTerm: 'opt', searchIndices: 'id' })).toBe(false);
+    expect(matcher({ option, searchTerm: '12', searchIndices: 'id' })).toBe(false);
+  });
+});
diff --git a/src/utils.js b/src/utils.js
index e2454b1..376784b 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -2,17 +2,31 @@ import React, { isValidElement, cloneElement } from 'react';
 
 export const matcher = ({ option, searchTerm = '', searchIndices }) => {
   searchTerm = searchTerm.trim().toLowerCase();
-  if (typeof option === 'string') {
-    return option.toLowerCase().indexOf(searchTerm) !== -1;
-  }
+
   if (searchIndices) {
     return makeArray(searchIndices).some(index => {
-      return (option[index] || '').toLowerCase().indexOf(searchTerm) !== -1;
+      let value = option[index];
+      return (
+        !isNone(value) &&
+        String(value)
+          .toLowerCase()
+          .indexOf(searchTerm) !== -1
+      );
     });
   }
+
+  return (
+    !isNone(option) &&
+    String(option)
+      .toLowerCase()
+      .indexOf(searchTerm) !== -1
+  );
+
   return true;
 };
 
+export const isNone = value => value === null || value === undefined;
+
 export const makeArray = obj => {
   if (obj === null || obj === undefined) {
     return [];