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以下Perl程序的输出是哪个选项？ $txt="9865m6

[单选题]

以下Perl程序的输出是哪个选项？

$txt="9865m62";

$txt =~ /\d\d/g;

print "$&,",pos $txt,",";

$txt =~ /\d\d/g;

print "$&,",pos $txt,",";

$txt =~ /\G\d/gc;

print "$&,",pos $txt,",";

$txt =~ /\G\d/gc;

print "$&,",pos $txt,""; 

  • 98,3,65,5,65,,9,2
  • 98,2,65,4,65,,9,1
  • 98,3,65,5,65,5,65,5
  • 98,2,65,4,65,4,65,4
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牛客73847194号头像 牛客73847194号
what?
发表于 2022-08-23 14:28:20 回复(0)
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