[Webkit-unassigned] [Bug 52529] New: RegExp hang with disjunction and lookahead rules

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=52529

           Summary: RegExp hang with disjunction and lookahead rules
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oliver at apple.com
                CC: ggaren at apple.com, jruderman at gmail.com,
                    barraclough at apple.com, msaboff at apple.com


Here's the reduction i've got it down to:

/(?!(?=r{0}){2,})|((z)?)?/gi.test("")

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