Run results for: multiple-re-vs-one

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36

Browser: Chrome 58

Operating system: Mac OS X 10.12.4

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
concat	1453109.9 Ops/sec
one by one	1117008.9 Ops/sec
concat test	1424537.9 Ops/sec
test one by one	1175604.1 Ops/sec

Script Preparation code:

var a = 'asrtarstarstarstarst';
var b = 'oienoienoienoienoin';
var c = 'arsoienaroistenaoristenaorisetnaorist';
var d = 'wfpqwfp;yuwflpywulfpywulfp';

var re = /abcdefg/i;

Tests:

concat
(a+b+c+d).search( re );
one by one
a.search(re) b.search(re) c.search(re) d.search(re)
concat test
re.test(a+b+c+d)
test one by one
re.test(a) re.test(b) re.test(c) re.test(d)

Run results for: multiple-re-vs-one

concat

one by one

concat test

test one by one