我需要提取 $subj ,如下面的代码片段所示,但看起来我的正则表达式没有按预期工作。这实际上与此类似:How to string manipulate/extract subject contents in a CSR using OpenSSL command + Perl?但在 CSR 中具有不同的主题条目。我不确定我在正则表达式中是否为 %subjinfo 做了一件好事
#!/usr/bin/env perl
use strict;
use warnings;
use Data::Dumper;
my $subj =
'subject=/O=test~@#$^()_+-=\{}|;':",./<>/OU=test~@#$^()_+-=\{}|;':",./<>/emailAddress=test~@#$^()_+-=\{}|;':",./<>/L=CDE/ST=ABC/C=AU/CN=test~@#$^()_+ -=\{}|;':",./<>';
my %subjinfo = ( $subj =~ m,(\w+)=([^=]*)(?:/|$),g );
print Dumper \%subjinfo;
所以必须给出一个结果:
$VAR1 = {
'subject' => '',
'L' => 'NYC',
'C' => 'AMER',
'OU' => 'test~@#$^()_+-=\{}|;':",./<>',
'emailAddress' => 'test~@#$^()_+-=\{}|;':",./<>',
'ST' => 'AMER',
'CN' => 'test~@#$^()_+-=\{}|;':",./<>',
'O' => 'test~@#$^()_+-=\{}|;':",./<>'
};
这可能吗?你能给建议吗?
最佳答案
在正则表达式上拆分看起来比仅使用正则表达式的解决方案更自然,
use Data::Dumper;
my $subj = q(subject=/O=test~@#$^()_+-=\{}|;':",./<>/OU=test~@#$^()_+-=\{}|;':",./<>/emailAddress=test~@#$^()_+-=\{}|;':",./<>/L=CDE/ST=ABC/C=AU/CN=test~@#$^()_+ -=\{}|;':",./<>);
(undef, my %subjinfo) = split m|/?(\w+)=|, $subj;
print Dumper \%subjinfo;
输出
$VAR1 = {
'emailAddress' => 'test~@#$^()_+-=\\{}|;\':",./<>',
'CN' => 'test~@#$^()_+ -=\\{}|;\':",./<>',
'OU' => 'test~@#$^()_+-=\\{}|;\':",./<>',
'L' => 'CDE',
'C' => 'AU',
'ST' => 'ABC',
'subject' => '',
'O' => 'test~@#$^()_+-=\\{}|;\':",./<>'
};
关于regex - 具有特殊字符的企业社会责任主题摘录,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31283059/