regex-test_sashe (v2)

Revision 2 of this benchmark created on

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/([A-Za-z0-9_]){1,255}/g
// Setup
const sampleString = 'a1b2c3ahdfhdfheuheddw_' + 'x'.repeat(30 - 8); // 30chars
const regex1 = /([A-Za-z0-9_]){1,255}$/g;

// Benchmark
function benchmark() {
    const startTime = performance.now();
    for (let i = 0; i < 1000; i++) {
        regex1.lastIndex = 0; 
        regex1.test(sampleString);
    }
    const endTime = performance.now();
    return endTime - startTime;
}

// Run the benchmark
benchmark();
ready
/([A-Za-z0-9_]+){1,255}/g
// Setup
const sampleString = 'a1b2c3ahdfhdfheuheddw_' + 'x'.repeat(30 - 8); // 30chars
const regex2 = /([A-Za-z0-9_]+){1,255}$/g;

// Benchmark
function benchmark() {
    const startTime = performance.now();
    for (let i = 0; i < 1000; i++) { 
        regex2.lastIndex = 0; 
        regex2.test(sampleString);
    }
    const endTime = performance.now();
    return endTime - startTime;
}

// Run the benchmark
benchmark();
ready

Revisions

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