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perl - 用 ` ` 替换任何标签内容中的所有空格

转载 作者:行者123 更新时间:2023-12-03 23:50:14 27 4
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任务

  替换任何标签内容中的所有空格.

y.html (示例文件)

<p class=MsoNormal style='margin-top:1.0pt;margin-right:0cm;margin-bottom:1.0pt;
margin-left:34.0pt;text-indent:-19.8pt'><span lang=NL-BE style='font-size:10.0pt;
font-family:Symbol;color:black;mso-ansi-language:NL-BE'>·</span><span
class=GramE><span style='font-size:7.0pt;color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style='font-size:10.0pt;font-family:Arial;color:black'>Kit</span></span><span
style='font-size:10.0pt;font-family:Arial;color:black'> </span><span
class=SpellE><i><span style='font-size:10.0pt;font-family:Arial'>Strongyloides</span></i></span><i><span
style='font-size:10.0pt;font-family:Arial'> <span class=SpellE>ratti</span></span></i><span
style='font-size:10.0pt;font-family:Arial'> (nr. 9450) van <span class=SpellE>Bordier</span>
Affinity Products. </span><span lang=NL-BE style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:NL-BE'>Zie bijsluiter in bijlage: CLKB_B_0306. Te
bewaren bij 2 – 8 °C tot vervaldatum.</span><span lang=NL-BE style='mso-ansi-language:
NL-BE'><o:p></o:p></span></p>

我试过的
#!/usr/bin/perl
use strict;
use warnings;
use Mojo::DOM;
open (my $fh, "<", "y.html") or die $!;
my $dom = Mojo::DOM->new(do{local $/ = undef; <$fh>});
$dom->find("*")->each( sub { $_->content( $_->content =~ s/\s/\&nbsp;/gr ) } );
print $dom;

以上脚本的结果
<p class="MsoNormal" style="margin-top:1.0pt;margin-right:0cm;margin-bottom:1.0pt;
margin-left:34.0pt;text-indent:-19.8pt"><span&nbsp;lang="nl-be"&nbsp;style="font-size:10.0pt;&nbsp;font-family:symbol;color:black;mso-ansi-language:nl-be">·<span&nbsp;class="grame"><span&nbsp;style="font-s
ize:7.0pt;color:black"> <span&nbsp;style="font-size:10.0pt;font-family:arial;color:black">Kit<span&nbsp;style="font-size:10.0pt;font-family:arial;color:black"> <span&nbsp;class="spelle"><i><span&nb
sp;style="font-size:10.0pt;font-family:arial">Strongyloides<i><span&nbsp;style="font-size:10.0pt;font-family:arial"> <span&nbsp;class="spelle">ratti<span&nbsp;style="font-size:10.0pt;font-family:arial"> (n
r. 9450) van <span&nbsp;class="spelle">Bordier Affinity Products. <span&nbsp;lang="nl-be"&nbsp;style="font-size:10.0pt;font-family:&nbsp;arial;mso-ansi-language:nl-be">Zie bijsluiter in bijlage: CLKB_B_030
6. Te bewaren bij 2 – 8 °C tot vervaldatum.<span&nbsp;lang="nl-be"&nbsp;style="mso-ansi-language:&nbsp;nl-be"><o:p></o:p></span&nbsp;lang="nl-be"&nbsp;style="mso-ansi-language:&nbsp;nl-be"></span&nbsp;lang
="nl-be"&nbsp;style="font-size:10.0pt;font-family:&nbsp;arial;mso-ansi-language:nl-be"></span&nbsp;class="spelle"></span&nbsp;style="font-size:10.0pt;font-family:arial"></span&nbsp;class="spelle"></span&nb
sp;style="font-size:10.0pt;font-family:arial"></i></span&nbsp;style="font-size:10.0pt;font-family:arial"></i></span&nbsp;class="spelle"></span&nbsp;style="font-size:10.0pt;font-family:arial;color:black"></
span&nbsp;style="font-size:10.0pt;font-family:arial;color:black"></span&nbsp;style="font-size:7.0pt;color:black"></span&nbsp;class="grame"></span&nbsp;lang="nl-be"&nbsp;style="font-size:10.0pt;&nbsp;font-f
amily:symbol;color:black;mso-ansi-language:nl-be"></p>

我没有得到所需的输出,它正在添加 &nbsp;在标签中(例如: </span&nbsp; ),我希望只在内容上完成。

PS:我用 Mojo::DOM 试过了,但没有必要使用它,如果你愿意,你可以尝试任何其他解析器,我仍然想知道我的代码有什么问题?

最佳答案

这是一项对输入进行标记化使其更易于使用的工作。因此我建议使用 HTML::TokeParser

#!/usr/bin/perl
use strict;
use warnings;
use utf8;

use HTML::TokeParser;

my $data = do {local $/; <DATA>};

my $p = HTML::TokeParser->new(\$data);

while (my $token = $p->get_token) {
if ($token->[0] eq 'T') {
my $text = $token->[1];
$text =~ s/ /&nbsp;/g;
print $text;
} else {
print "$token->[-1]";
}
}

__DATA__
<html>
<body>
<p class=MsoNormal style='margin-top:1.0pt;margin-right:0cm;margin-bottom:1.0pt;
margin-left:34.0pt;text-indent:-19.8pt'><span lang=NL-BE style='font-size:10.0pt;
font-family:Symbol;color:black;mso-ansi-language:NL-BE'>·</span><span
class=GramE><span style='font-size:7.0pt;color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style='font-size:10.0pt;font-family:Arial;color:black'>Kit</span></span><span
style='font-size:10.0pt;font-family:Arial;color:black'> </span><span
class=SpellE><i><span style='font-size:10.0pt;font-family:Arial'>Strongyloides</span></i></span><i><span
style='font-size:10.0pt;font-family:Arial'> <span class=SpellE>ratti</span></span></i><span
style='font-size:10.0pt;font-family:Arial'> (nr. 9450) van <span class=SpellE>Bordier</span>
Affinity Products. </span><span lang=NL-BE style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:NL-BE'>Zie bijsluiter in bijlage: CLKB_B_0306. Te
bewaren bij 2 – 8 °C tot vervaldatum.</span><span lang=NL-BE style='mso-ansi-language:
NL-BE'><o:p></o:p></span></p>
</body>
</html>

输出:
<html>
<body>
<p class=MsoNormal style='margin-top:1.0pt;margin-right:0cm;margin-bottom:1.0pt;
margin-left:34.0pt;text-indent:-19.8pt'><span lang=NL-BE style='font-size:10.0pt;
font-family:Symbol;color:black;mso-ansi-language:NL-BE'>·</span><span
class=GramE><span style='font-size:7.0pt;color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style='font-size:10.0pt;font-family:Arial;color:black'>Kit</span></span><span
style='font-size:10.0pt;font-family:Arial;color:black'>&nbsp;</span><span
class=SpellE><i><span style='font-size:10.0pt;font-family:Arial'>Strongyloides</span></i></span><i><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;<span class=SpellE>ratti</span></span></i><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;(nr.&nbsp;9450)&nbsp;van&nbsp;<span class=SpellE>Bordier</span>
Affinity&nbsp;Products.&nbsp;</span><span lang=NL-BE style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:NL-BE'>Zie&nbsp;bijsluiter&nbsp;in&nbsp;bijlage:&nbsp;CLKB_B_0306.&nbsp;Te
bewaren&nbsp;bij&nbsp;2&nbsp;–&nbsp;8&nbsp;°C&nbsp;tot&nbsp;vervaldatum.</span><span lang=NL-BE style='mso-ansi-language:
NL-BE'><o:p></o:p></span></p>
</body>
</html>

关于perl - 用 `&nbsp;` 替换任何标签内容中的所有空格,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24524370/

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