Run results for: Check phone by regest

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:85.0) Gecko/20100101 Firefox/85.0

Browser: Firefox 85

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
array of prefixes	7020636.0 Ops/sec
regex	14403060.0 Ops/sec

Tests:

array of prefixes
const phoneNumber = "0102030405"; const prefixes = ["01", "02", "03", "04", "05", "06", "07", "08", "09"]; const regex = /^0[1-9]/ prefixes.some(prefix => phoneNumber.startsWith(prefix))
regex
const phoneNumber = "0102030405"; const prefixes = ["01", "02", "03", "04", "05", "06", "07", "08", "09"]; const regex = /^0[1-9]/ regex.test(phoneNumber)