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[perl #132167] Error parsing regex set in perl 5.26.0

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From:
John Imrie
Date:
September 26, 2017 19:29
Subject:
[perl #132167] Error parsing regex set in perl 5.26.0
Message ID:
rt-4.0.24-2646-1506421147-1633.132167-75-0@perl.org
# New Ticket Created by  John Imrie 
# Please include the string:  [perl #132167]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=132167 >


Using Perl 5.26.0

The regex

qr/(?[ ( \p{Uppercase} ) + (\p{Lowercase} - ([a] + [b]))  ])/

Does not parse giving the error

Incomplete expression within '(?[ ])' in regex; marked by <-- HERE in 
m/(?[ ( \p{Uppercase} ) + (\p{Lowercase} - ([a] + [b])) <-- HERE   ])/

---

Flags:
     category=core
     severity=low
---
Site configuration information for perl 5.26.0:

Configured by strawberry-perl at Sat Sep  2 16:28:54 2017.

Summary of my perl5 (revision 5 version 26 subversion 0) configuration:

   Platform:
     osname=MSWin32
     osvers=6.3
     archname=MSWin32-x64-multi-thread
     uname='Win32 strawberry-perl 5.26.0.2 #1 Sat Sep  2 16:25:32 2017 x64'
     config_args='undef'
     hint=recommended
     useposix=true
     d_sigaction=undef
     useithreads=define
     usemultiplicity=define
     use64bitint=define
     use64bitall=undef
     uselongdouble=undef
     usemymalloc=n
     default_inc_excludes_dot=define
     bincompat5005=undef
   Compiler:
     cc='gcc'
     ccflags =' -s -O2 -DWIN32 -DWIN64 -DCONSERVATIVE 
-D__USE_MINGW_ANSI_STDIO -DPERL_TEXTMODE_SCRIPTS -DPERL_IMPLICIT_CONTEXT 
-DPERL_IMPLICIT_SYS -DUSE_PERLIO -fwrapv -fno-strict-aliasing 
-mms-bitfields'
     optimize='-s -O2'
     cppflags='-DWIN32'
     ccversion=''
     gccversion='7.1.0'
     gccosandvers=''
     intsize=4
     longsize=4
     ptrsize=8
     doublesize=8
     byteorder=12345678
     doublekind=3
     d_longlong=define
     longlongsize=8
     d_longdbl=define
     longdblsize=16
     longdblkind=3
     ivtype='long long'
     ivsize=8
     nvtype='double'
     nvsize=8
     Off_t='long long'
     lseeksize=8
     alignbytes=8
     prototype=define
   Linker and Libraries:
     ld='g++'
     ldflags ='-s -L"D:\Strawberry\perl\lib\CORE" -L"D:\Strawberry\c\lib"'
     libpth=D:\Strawberry\c\lib D:\Strawberry\c\x86_64-w64-mingw32\lib 
D:\Strawberry\c\lib\gcc\x86_64-w64-mingw32\7.1.0
     libs= -lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 
-ladvapi32 -lshell32 -lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr 
-lwinmm -lversion -lodbc32 -lodbccp32 -lcomctl32
     perllibs= -lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool 
-lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -lnetapi32 -luuid 
-lws2_32 -lmpr -lwinmm -lversion -lodbc32 -lodbccp32 -lcomctl32
     libc=
     so=dll
     useshrplib=true
     libperl=libperl526.a
     gnulibc_version=''
   Dynamic Linking:
     dlsrc=dl_win32.xs
     dlext=xs.dll
     d_dlsymun=undef
     ccdlflags=' '
     cccdlflags=' '
     lddlflags='-mdll -s -L"D:\Strawberry\perl\lib\CORE" 
-L"D:\Strawberry\c\lib"'


---
@INC for perl 5.26.0:
     D:/Strawberry/perl/site/lib
     D:/Strawberry/perl/vendor/lib
     D:/Strawberry/perl/lib

---
Environment for perl 5.26.0:
     HOME (unset)
     LANG (unset)
     LANGUAGE (unset)
     LD_LIBRARY_PATH (unset)
     LOGDIR (unset)
     PATH=C:\Program Files\Java\jre1.8.0_144\bin;C:\Program 
Files\Java\jre1.8.0_131\bin;C:\ProgramData\Oracle\Java\javapath;C:\Program 
Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS 
Client\;C:\windows\system32;C:\windows;C:\windows\System32\Wbem;C:\windows\System32\WindowsPowerShell\v1.0\;C:\Program 
Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program 
Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files 
(x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program 
Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files 
(x86)\NVIDIA 
Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program 
Files 
(x86)\GtkSharp\2.12\bin;D:\Strawberry\c\bin;D:\Strawberry\perl\site\bin;D:\Strawberry\perl\bin;C:\Users\John\AppData\Local\Microsoft\WindowsApps;
     PERL_BADLANG (unset)
     SHELL (unset)


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