exec() vs match() vs test() vs search() vs indexOf()

JavaScript performance comparison

Revision 20 of this test case created

Info

Tests to determine which function is faster for detecting whether a string matches a regex pattern.

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Test Ops/sec
exec()
if (/(abc|def|ghi)/.exec("xxxxxxxxxabcxxxxxxabcxx") !== null) {
 // String matches regex
}
pending…
match()
if ("xxxxxxxxxabcxxxxxxabcxx".match(/(abc|def|ghi)/) !== null) {
 // String matches regex
}
pending…
test()
if (/(abc|def|ghi)/.test("xxxxxxxxxabcxxxxxxabcxx") !== false) {
 // String matches regex
}
pending…
search()
if (("xxxxxxxxxabcxxxxxxabcxx").search(/(abc|def|ghi)/) !== -1) {
 // String matches regex
}
pending…
indexOf()
if ("xxxxxxxxxabcxxxxxxabcxx".indexOf("abc") !== -1) {
 // String matches regex
}
if ("xxxxxxxxxabcxxxxxxabcxx".indexOf("def") !== -1) {
 // String matches regex
}
if ("xxxxxxxxxabcxxxxxxabcxx".indexOf("ghi") !== -1) {
 // String matches regex
}
pending…

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