Run results for: Split replace vs. regex replace

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Regex

399.0M/s

Split

5.7M/s

View exact numbers

Test name	Executions per second
✓ Regex	399,020,096 Ops/sec
Split	5,694,860 Ops/sec

HTML Preparation code:

<!--your preparation HTML ode goes here-->

Script Preparation code:

const stuff = "<p>testing subscriptions app 1</p><br><p><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"link\" href=\"https://{{user_application_link}}\">{{user_application_display_name}}</a></p><br><p><span data-type=\"mention\" class=\"merge-field\" data-id=\"email_signature\"></span></p><br><p><a target=\"_blank\" rel=\"noopener noreferrer\" class=\"link\" href=\"https://{{user_application_link}}\">manual tag</a></p><br><p><a target=\"_blank\" rel=\"noopener noreferrer\" class=\"link\" href=\"https://google.com\">test</a></p> {{unsubscribe}}"

Tests:

Split
stuff.split('https://').filter(Boolean).join('https://');
Regex
stuff.replace(/(https:\/\/)+/g, 'https://');