Run results for: RegEx.test vs. String.includes vs. String.match vs String.matchAll vs String.indexOf

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
RegEx.test	14457567.0 Ops/sec
String.includes	20808482.0 Ops/sec
String.match	4148462.2 Ops/sec
String.matchAll	10820200.0 Ops/sec
String.indexOf	913494848.0 Ops/sec

Script Preparation code:

var string = "Hallward glanced round him with a puzzled expression. The room looked as if it had not been lived in for years. A faded Flemish tapestry, a curtained picture, an old Italian cassone, and an almost empty book-case--that was all that it seemed to contain, {{besides}} a chair and a table. As Dorian Gray was lighting a half-burned candle that was standing on the {{mantelshelf}}, he saw that the whole place was covered with dust and that the carpet was in holes. A mouse ran scuffling behind the wainscoting. There was a damp odour of mildew.";
var regex = /{{/g;

Tests:

RegEx.test
regex.test(string);
String.includes
string.includes("{{");
String.match
string.match("{{");
String.matchAll
string.matchAll(regex);
String.indexOf
string.indexOf("{{") > -1;