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

JavaScript performance comparison

Revision 30 of this test case created

Info

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

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
exec()
if (/^abc/.exec("abcxxxxxxxxxabcxxxxxxabcxx") !== null) {
 // String matches regex
}
pending…
match()
if ("abcxxxxxxxxxabcxxxxxxabcxx".match(/^abc/) !== null) {
 // String matches regex
}
pending…
test()
if (/^abc/.test("abcxxxxxxxxxabcxxxxxxabcxx") !== false) {
 // String matches regex
}
pending…
search()
if (("abcxxxxxxxxxabcxxxxxxabcxx").search(/^abc/) !== -1) {
 // String matches regex
}
pending…
indexOf()
if ("abcxxxxxxxxxabcxxxxxxabcxx".indexOf("abc") === 0) {
 // String matches regex
}
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

0 comments

Add a comment