diff --git a/index.js b/index.js
index de3bcb3..35db213 100644
--- a/index.js
+++ b/index.js
@@ -34,10 +34,11 @@ function prepareSimpleTextSearch (collection, property) {
 
   return function simpleTextSearch (q) {
     if (!collection || !q) return collection
-    const regex = toRegex(q)
+    const { regex, length } = toRegex(q)
     const result = []
     for (const { pruned, elem } of cachedPrunedElements || prunedElements()) {
-      if (regex.test(pruned)) result.push(elem)
+      const match = pruned.match(regex)
+      if (match && match.length === length) result.push(elem)
     }
     return result
   }
@@ -49,7 +50,10 @@ function toRegex (str) {
     if (!/\b/.test(token)) continue
     content.push(token.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d'))
   }
-  return new RegExp(`(${content.join('|')})`, 'i')
+  return {
+    regex: new RegExp(`(${content.join('|')})`, 'ig'),
+    length: content.length
+  }
 }
 
 var replaceChar = charReplacer()
diff --git a/test.js b/test.js
index a8c0a49..8ff6a80 100644
--- a/test.js
+++ b/test.js
@@ -1,46 +1,53 @@
-var assert = require('assert')
-var search = require('./')
+const assert = require('assert')
+const search = require('./')
 
 // Returns matches
-var get = search(['foo', 'bar', 'foobar'])
-var res = get('foo')
+const get = search(['foo', 'bar', 'foobar'])
+const res = get('foo')
 assert.strictEqual(res[0], 'foo')
 assert.strictEqual(res[1], 'foobar')
 assert.strictEqual(res.length, 2)
 
 // Matches whole object and returns same object instances
-var arr2 = [{ id: 1, name: 'Test' }, { id: 2, name: 'Marc' }]
-var get2 = search(arr2)
-var res2 = get2('test')
+const arr2 = [{ id: 1, name: 'Test' }, { id: 2, name: 'Marc' }]
+const get2 = search(arr2)
+const res2a = get2('test')
 
-assert.strictEqual(res2[0], arr2[0])
-assert.strictEqual(res2.length, 1)
+assert.strictEqual(res2a[0], arr2[0])
+assert.strictEqual(res2a.length, 1)
 
-res2 = get2(1)
-assert.strictEqual(res2[0], arr2[0])
-assert.strictEqual(res2.length, 1)
+const res2b = get2(1)
+assert.strictEqual(res2b[0], arr2[0])
+assert.strictEqual(res2b.length, 1)
 
-res2 = get2(2)
-assert.strictEqual(res2[0], arr2[1])
-assert.strictEqual(res2.length, 1)
+const res2c = get2(2)
+assert.strictEqual(res2c[0], arr2[1])
+assert.strictEqual(res2c.length, 1)
 
 // Allows to restrict search one property
-var arr3 = [{ id: 1, name: 'Test' }, { id: 2, name: 'Marc' }]
-var get3 = search(arr3, 'name')
-var res3 = get3('Marc')
-assert.strictEqual(res3[0], arr3[1])
-assert.strictEqual(res3.length, 1)
+const arr3 = [{ id: 1, name: 'Test' }, { id: 2, name: 'Marc' }]
+const get3 = search(arr3, 'name')
+const res3a = get3('Marc')
+assert.strictEqual(res3a[0], arr3[1])
+assert.strictEqual(res3a.length, 1)
 
-res3 = get3(2)
-assert.strictEqual(res3.length, 0)
+const res3b = get3(2)
+assert.strictEqual(res3b.length, 0)
 
 // Search using umlauts is supported
-var arr4 = [{ id: 1, name: 'Zürich' }, { id: 2, name: 'Reykjavík' }]
-var get4 = search(arr4, 'name')
-var res4 = get4('zurich')
-assert.strictEqual(res4[0], arr4[0])
-assert.strictEqual(res4.length, 1)
-
-res4 = get4('reykjavik')
-assert.strictEqual(res4[0], arr4[1])
-assert.strictEqual(res4.length, 1)
+const arr4 = [{ id: 1, name: 'Zürich' }, { id: 2, name: 'Reykjavík' }]
+const get4 = search(arr4, 'name')
+const res4a = get4('zurich')
+assert.strictEqual(res4a[0], arr4[0])
+assert.strictEqual(res4a.length, 1)
+
+const res4b = get4('reykjavik')
+assert.strictEqual(res4b[0], arr4[1])
+assert.strictEqual(res4b.length, 1)
+
+const res4c = get4('zu rich')
+assert.strictEqual(res4c[0], arr4[0])
+assert.strictEqual(res4c.length, 1)
+
+const res4d = get4('zu reyk')
+assert.strictEqual(res4d.length, 0)