diff --git a/_benchmarks/replacespacesregex-vs-replacespacesarray.md b/_benchmarks/replacespacesregex-vs-replacespacesarray.md
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+++ b/_benchmarks/replacespacesregex-vs-replacespacesarray.md
@@ -0,0 +1,30 @@
+---
+title: replaceSpacesRegex vs replaceSpacesArray
+setup: |
+  var str = 'This is a demo  of replacing  spaces';
+  
+  function regexReplace(str) {
+    return str.replace(/\s+/g, ' ');
+  };
+  
+  function arrayReplace(str) {
+    let resultArr = [];
+    const strArr = str.split(' ');
+    for (let i = 0; i < strArr.length; i++) {
+      if (strArr[i] != '') {
+        resultArr.push(strArr[i]);
+      }
+    }
+    return resultArr.join(' ');
+  };
+tests:
+  -
+    name: replaceSpacesRegex
+    code: |
+      regexReplace(str);
+  -
+    name: replaceSpacesArray
+    code: |
+      arrayReplace(str);
+---
+