[Varnish] #1856: LostHeader with regsub

[Varnish]

#1856: LostHeader with regsub
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 Reporter:  gdelacroix  |       Owner:
     Type:  defect      |      Status:  needinfo
 Priority:  normal      |   Milestone:
Component:  regress     |     Version:  4.1.1
 Severity:  normal      |  Resolution:
 Keywords:              |
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Comment (by gdelacroix):

 Sorry, it's not clear in my message: it only occurs when URL is "/".

 I'm using pcre 8.32.

 I'm not firendly with VTC but you only have to apply the example from the
 wiki.

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1856#comment:3>
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