[Webkit-unassigned] [Bug 24166] New: Regex won't match on capture groups longer than 49991 chars

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=24166

           Summary: Regex won't match on capture groups longer than 49991
                    chars
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: nk111 at gmx.de


if a regex uses capture groups, it won't match if any of the resulting captures
is longer than 49991 characters.

If you try this regex:

/start(.)*end/i

on this text

startXXXXXXend

then it will match until you put more than 49991 "X" between "start" and "end".

You can easily test it on http://regexpal.com/
It will work with firefox but not with safari or chrome.

This bug does only affect regex with groups in it. If you change the the regex
to:

/start.*end/i

then it will match.


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