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PERLBUG: qr with /x #128

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p5pRT opened this issue Jun 29, 1999 · 1 comment
Closed

PERLBUG: qr with /x #128

p5pRT opened this issue Jun 29, 1999 · 1 comment

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@p5pRT
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@p5pRT p5pRT commented Jun 29, 1999

Migrated from rt.perl.org#932 (status was 'resolved')

Searchable as RT932$

@p5pRT
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@p5pRT p5pRT commented Jun 29, 1999

From @schwern

My co-worker ran into this problem. It appears that a compiled regex
used inside a /x pattern needs to be /x as well. The following
demonstrates​:

$pat = 'foo';
$c_pat = qr/foo/;
$c_pat_fixed = qr/foo/x;

$string = 'foo';

$\ = $/;
print 'normal​: ', $string =~ / $pat /x ? 'Yes' : 'No';
print 'qr​: ', $string =~ / $c_pat /x ? 'Yes' : 'No';
print 'fixed qr​: ', $string =~ / $c_pat_fixed /x ? 'Yes' : 'No';

I've noted this failure under 5.005_03/Linux and 5.005_02/Linux

Perl Info


Site configuration information for perl 5.00503:

Configured by root at Mon May 10 08:16:17 EDT 1999.

Summary of my perl5 (5.0 patchlevel 5 subversion 3) configuration:
  Platform:
    osname=linux, osvers=2.0.36, archname=i686-linux
    uname='linux sparta 2.0.36 #2 sun feb 21 15:55:27 est 1999 i686 unknown '
    hint=previous, useposix=true, d_sigaction=define
    usethreads=undef useperlio=undef d_sfio=undef
  Compiler:
    cc='gcc', optimize='-O6', gccversion=2.7.2.3
    cppflags='-Dbool=char -DHAS_BOOL -I/usr/local/include'
    ccflags ='-Dbool=char -DHAS_BOOL -I/usr/local/include'
    stdchar='char', d_stdstdio=define, usevfork=false
    intsize=4, longsize=4, ptrsize=4, doublesize=8
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    alignbytes=4, usemymalloc=y, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lnsl -lndbm -ldb -ldl -lm -lc -lposix -lcrypt
    libc=, so=so, useshrplib=false, libperl=libperl.a
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/i686-linux/CORE'
    cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'

Locally applied patches:
    


@INC for perl 5.00503:
    /home/schwern/lib/perl5/5.005
    /home/schwern/lib/perl5/site_perl/5.005/i686-linux
    /home/schwern/lib/perl5/site_perl/5.005
    /usr/lib/perl5/i686-linux
    /usr/lib/perl5
    /usr/lib/perl5/site_perl/5.005/i686-linux
    /usr/lib/perl5/site_perl/5.005
    .


Environment for perl 5.00503:
    HOME=/home/schwern
    LANG=C
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/schwern/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/X11R6/bin:/usr/games:.
    PERL5LIB=/home/schwern/lib/perl5/5.005:/home/schwern/lib/perl5/site_perl/5.005
    PERL_BADLANG (unset)
    SHELL=/bin/bash

-- 

Michael G Schwern                                           schwern@pobox.com
                    http://www.pobox.com/~schwern
     /(?:(?:(1)[.-]?)?\(?(\d{3})\)?[.-]?)?(\d{3})[.-]?(\d{4})(x\d+)?/i

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