Run results for: new RegExp vs literal

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

match

1.2M/s

new RegExp

1.1M/s

View exact numbers

Test name	Executions per second
✓ match	1,214,196 Ops/sec
new RegExp	1,062,401 Ops/sec

HTML Preparation code:

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

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

match
const TAG_REGEX = /(\w+)/g; const str = 'aqui é uma <strong class="elm">questão</strong> de teste <img class="elm" onerror="opa"></img><br class="elm"/><iframe src="http://" class="iframeclass"/><iframe src="http://" class="iframeclass"/><iframe src="http://" class="iframeclass"/>'; str.match(TAG_REGEX)
new RegExp
const str = 'aqui é uma <strong class="elm">questão</strong> de teste <img class="elm" onerror="opa"></img><br class="elm"/><iframe src="http://" class="iframeclass"/><iframe src="http://" class="iframeclass"/><iframe src="http://" class="iframeclass"/>'; str.match(new RegExp("(\\w+)", "g"))