Regular expressions are slower in EDGE than in IE8

Fixed Issue #4540543


Sep 10, 2015
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Steps to reproduce


Repro Steps:

I will attach a test page you just need to run it

Expected Results:

The regular expression should have performance in the same order as the JS equivalent code.

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Rico M.”

      Changed Assigned To to “ChakraTriage”

      Changed Assigned To from “ChakraTriage” to “Brahma G.”

      Changed Assigned To from “Brahma G.” to “Gorkem Y.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Gorkem Y.” to “IE S.”

      Changed Status from “Confirmed” to “Fixed”

    • Is this issue fixed in IE11 as well or just in EDGE?

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