Run results for: Regex vs split/join - space to dash 2

Run details:

User agent: Mozilla/5.0 (Android 4.2.2; Tablet; rv:68.0) Gecko/68.0 Firefox/68.0

Browser: Android 4

Operating system: Android 4.2.2

Device Platform: Tablet

Date tested: 2 years ago

Test name	Executions per second
Regex	41221.4 Ops/sec
Split and Join	39032.4 Ops/sec

Script Preparation code:

var str = 'Abcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxyAbcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxy';

Tests:

Regex
str.replace(/\s+/g, "-");
Split and Join
str.split(' ').join('-');

Run results for: Regex vs split/join - space to dash 2

Regex

Split and Join