Run results for: Test() Vs Exec()

Test() Vs Exec() A small test to analyse the performance of two similar but different functions. The first Test(): Executes the search for a match between a regular expression and a specified string. Returns true or false. The second Exec() Used to retrieve the matches when matching a string against a regular expression. Returns an array with the matches or null if there are none.

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Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

RegEx.test

50.0M/s

String.match

32.4M/s

View exact numbers

Test name	Executions per second
✓ RegEx.test	49,996,812 Ops/sec
String.match	32,419,362 Ops/sec

HTML Preparation code:

<div>
    <h1>Test() Vs Exec()</h1>
    <h2>A small test to analyse the performance of two similar but different functions.</h2>
    <p>The first <b>Test()</b>: Executes the search for a match between a regular expression and a specified string.<br>
        Returns true or false.
    </p>
    <p>The second <b>Exec()</b>: Used to retrieve the matches when matching a string against a regular expression.<br>
        Returns an array with the matches or null if there are none.
    </p>
</div>

Script Preparation code:

var string = "Hello world!";
var regex = /[A-Z][a-z]+ [a-z]+/;

Tests:

RegEx.test
regex.test(string);
String.match
string.match(regex);