[Webkit-unassigned] [Bug 50570] New: Regex Regression in latest Nightlies

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50570

           Summary: Regex Regression in latest Nightlies
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tolmasky at gmail.com


Created an attachment (id=75703)
 --> (https://bugs.webkit.org/attachment.cgi?id=75703&action=review)
URL regex that matches in FF, IE, and Safari but not nightlies.

After this change I believe: http://trac.webkit.org/changeset/73065, regexes that were succeeding before (and succeed in other browsers) now no longer match. I have included a reduction.

In the reduction I've attached, Safari logs the following:

["file:///Users/tolmasky/Desktop/HelloWorld/index.html", "file", "//", "", undefined, undefined, undefined, "", undefined, "/Users/tolmasky/Desktop/HelloWorld/index.html", undefined, undefined]

But the nightly logs "null".

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