Regex Performance Testing (v9)

Revision 9 of this benchmark created on

Description

How much faster is a precompiled regex vs a non-precompiled regex?

Setup

var preCompiledReplaceRegex = /test/g;
    
    myHtml = "<span>This is a test</span><div>Of a regex</div><p>test</p><em>test</em>";

Test runner

Ready to run.

Testing in
TestOps/sec
Precompiled Regex (Replace)
myHtml.replace(/\r?\n/g, ' ');
ready
Non-Precompiled Regex (Replace)
myHtml.replace(/(\r\n|\n|\r)/gm, ' ');
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.