Run results for: String vs regex - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:95.0) Gecko/20100101 Firefox/95.0

Browser: Firefox 95

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
inline regex test (1)	19269174.0 Ops/sec
reference regex test (2)	19999594.0 Ops/sec
inline match (3)	12673832.0 Ops/sec
reference match (4)	13071716.0 Ops/sec

Script Preparation code:

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

Tests:

inline regex test (1)
/[A-Z][a-z]+ [a-z]+/.test(string);
reference regex test (2)
regex.test(string);
inline match (3)
string.match(/[A-Z][a-z]+ [a-z]+/);
reference match (4)
string.match(regex);