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

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if (/abc/.exec("xxxxxxxxxabcxxxxxxabcxx") !== null) {
 // String matches regex
}

if ("xxxxxxxxxabcxxxxxxabcxx".match(/abc/) !== null) {
 // String matches regex
}

if (/abc/.test("xxxxxxxxxabcxxxxxxabcxx") !== false) {
 // String matches regex
}

if (("xxxxxxxxxabcxxxxxxabcxx").search(/abc/) !== -1) {
 // String matches regex
}

if ("xxxxxxxxxabcxxxxxxabcxx".indexOf("abc") !== -1) {
 // String matches regex
}

if ("xxxxxxxxxabcxxxxxxabcxx".match("abc") ) {
 // String matches regex
}

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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:

• Revision 1: published on 3rd March 2011
• Revision 2: published by shreyas patel on 18th March 2011
• Revision 5: published by harth on 6th June 2011
• Revision 7: published on 5th September 2011
• Revision 9: published on 19th November 2012
• Revision 10: published on 27th November 2012
• Revision 11: published on 4th January 2013
• Revision 12: published by rx.test(str) vs str.search(rx) on 20th January 2013
• Revision 13: published by rx.test(str) vs str.search(rx) on 20th January 2013
• Revision 14: published by avetisk 6 days ago

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