[Tcl-bugs] [Tcl Source Code] Ticket [d351de9d7b1a4c57|d351de9d7b] Tcl lacks lookbehind in regex expressions status still Open with 4 other changes

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Ticket Change [97684873a822b4fa9ebfc4423c2e1362fdc7511a]
  [Ticket [d351de9d7b1a4c57|d351de9d7b] Tcl lacks lookbehind in regex expressions status still Open with 4 other changes]
  By      dkf
  For     Tcl Source Code
  On      2015-09-02T13:20:17.453
  Details http://core.tcl.tk/tcl/tinfo?name=97684873a822b4fa9ebfc4423c2e1362fdc7511a
  Ticket  http://core.tcl.tk/tcl/tktview/d351de9d7b1a4c57a44a10d92e0ace9bac86786f

Changed Fields
  icomment: <blockquote><i>What would be exact the impacts to this
            change?</i></blockquote>  The main impact is that it's a different RE
            language. Some scripts that currently work would cease to function as
            expected, despite not being <i>necessarily</i> broken by things (with
            the main portion of that impact being in the different set of
            backslash-escapes supported).  <p>  <small>A necessary breakage would
            be something like the syntax for lookbehind becoming used for that
            purpose. We would not get upset over that.</small>
  login:    dkf
  username: dkf

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