multiple string vs regex replace

Benchmark created on

Description

Performance test for multiple string replace operations compared with using a single regex replace

Setup

const str = "-a.b.c.d,e,f,1~2~3~4－5－6－-"
const loops = 100000

Test runner

Ready to run.

Testing in
TestOps/sec
regex
const results = []
for (let i = 0; i < loops; i++) {
	results.push(str.replaceAll(/[-.,~－]/g, ''))
}
ready
1 string replacements
const results = []
for (let i = 0; i < loops; i++) {
	results.push(str.replaceAll('－', ''))
}
ready
2 string replacements
const results = []
for (let i = 0; i < loops; i++) {
	results.push(str.replaceAll('-', '').replaceAll('－', ''))
}
ready
3 string replacements
const results = []
for (let i = 0; i < loops; i++) {
	results.push(str.replaceAll('-', '').replaceAll('.', '').replaceAll('－', ''))
}
ready
4 string replacements
const results = []
for (let i = 0; i < loops; i++) {
	results.push(str.replaceAll('-', '').replaceAll('.', '').replaceAll(',', '').replaceAll('－', ''))
}
ready
5 string replacements
const results = []
for (let i = 0; i < loops; i++) {
	results.push(str.replaceAll('-', '').replaceAll('.', '').replaceAll(',', '').replaceAll('~', '').replaceAll('－', ''))
}
ready

Revisions

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