<p>要删除换行符,可以尝试使用<code>\n</code><strong>not</strong><code>/n</code>,即:</p>
<h2>Linux、macOS</h2>
<pre><code>tags[0].text.replace('\n',' ')
</code></pre>
<h2>窗口</h2>
^{pr2}$
<p>或使用<a href="https://www.tutorialspoint.com/python/string_strip.htm" rel="nofollow noreferrer">^{<cd3>}</a>:</p>
<pre><code>tags[0].text.strip()
</code></pre>
<hr/>
<h2>换行符</h2>
<p>通常称为<strong>行尾</strong>,<strong>行尾</strong>(<strong>EOL</strong>)、<strong>换行</strong>或<strong>换行</strong>,是<em><a href="https://en.wikipedia.org/wiki/Character_encoding" rel="nofollow noreferrer" title="Character encoding">character encoding</a></em>规范中的<em><a href="https://en.wikipedia.org/wiki/Control_character" rel="nofollow noreferrer" title="Control character">control character</a></em>,如<a href="https://en.wikipedia.org/wiki/ASCII" rel="nofollow noreferrer" title="ASCII">ASCII</a>。它用来表示一个<a href="https://en.wikipedia.org/wiki/Line_(text_file)" rel="nofollow noreferrer" title="Line (text file)">line of text</a>的结束和一个新的开始。文本编辑器在按<a href="https://en.wikipedia.org/wiki/Enter_key" rel="nofollow noreferrer" title="Enter key">Enter key</a>时设置此特殊字符。在</p>
<hr/>
<p><a href="https://en.wikipedia.org/wiki/Newline#Representations_in_different_character_encoding_specifications" rel="nofollow noreferrer">Representations in different character encoding specifications</a></p>
<ol>
<li><p><a href="https://en.wikipedia.org/wiki/Multics" rel="nofollow noreferrer" title="Multics">Multics</a>,<a href="https://en.wikipedia.org/wiki/Unix" rel="nofollow noreferrer" title="Unix">Unix</a>和{a10}系统(<a href="https://en.wikipedia.org/wiki/Linux" rel="nofollow noreferrer" title="Linux">Linux</a>,<a href="https://en.wikipedia.org/wiki/MacOS" rel="nofollow noreferrer" title="MacOS">macOS</a>,<a href="https://en.wikipedia.org/wiki/FreeBSD" rel="nofollow noreferrer" title="FreeBSD">FreeBSD</a>,<a href="https://en.wikipedia.org/wiki/AIX_operating_system" rel="nofollow noreferrer" title="AIX operating system">AIX</a>,<a href="https://en.wikipedia.org/wiki/Xenix" rel="nofollow noreferrer" title="Xenix">Xenix</a>,等等),<a href="https://en.wikipedia.org/wiki/BeOS" rel="nofollow noreferrer" title="BeOS">BeOS</a>,<a href="https://en.wikipedia.org/wiki/Amiga" rel="nofollow noreferrer" title="Amiga">Amiga</a>,<a href="https://en.wikipedia.org/wiki/RISC_OS" rel="nofollow noreferrer" title="RISC OS">RISC OS</a>,以及其他{a19}</p>
<p><strong>-转义序列</strong>:<code>\n</code></p></li>
<li><p><a href="https://en.wikipedia.org/wiki/Atari_TOS" rel="nofollow noreferrer">Atari TOS</a>,<a href="https://en.wikipedia.org/wiki/Microsoft_Windows" rel="nofollow noreferrer" title="Microsoft Windows">Microsoft Windows</a>,<a href="https://en.wikipedia.org/wiki/DOS" rel="nofollow noreferrer" title="DOS">DOS</a>(<a href="https://en.wikipedia.org/wiki/MS-DOS" rel="nofollow noreferrer" title="MS-DOS">MS-DOS</a>,<a href="https://en.wikipedia.org/wiki/PC_DOS" rel="nofollow noreferrer" title="PC DOS">PC DOS</a>,等等),<a href="https://en.wikipedia.org/wiki/Digital_Equipment_Corporation" rel="nofollow noreferrer" title="Digital Equipment Corporation">DEC</a><a href="https://en.wikipedia.org/wiki/TOPS-10" rel="nofollow noreferrer" title="TOPS-10">TOPS-10</a>,<a href="https://en.wikipedia.org/wiki/RT-11" rel="nofollow noreferrer" title="RT-11">RT-11</a>,<a href="https://en.wikipedia.org/wiki/CP/M" rel="nofollow noreferrer" title="CP/M">CP/M</a>,<a href="https://en.wikipedia.org/wiki/MP/M" rel="nofollow noreferrer" title="MP/M">MP/M</a>,<a href="https://en.wikipedia.org/wiki/OS/2" rel="nofollow noreferrer" title="OS/2">OS/2</a>,<a href="https://en.wikipedia.org/wiki/Symbian_OS" rel="nofollow noreferrer" title="Symbian OS">Symbian OS</a>,<a href="https://en.wikipedia.org/wiki/Palm_OS" rel="nofollow noreferrer" title="Palm OS">Palm OS</a>,<a href="https://en.wikipedia.org/wiki/Amstrad_CPC" rel="nofollow noreferrer" title="Amstrad CPC">Amstrad CPC</a>,以及大多数其他早期非Unix和非IBM操作系统</p>
<p><strong>-转义序列</strong>:<code>\r\n</code></p></li>
</ol>
<hr/>
<h2>Unicode码</h2>
<p><a href="https://en.wikipedia.org/wiki/Unicode" rel="nofollow noreferrer" title="Unicode">Unicode</a>标准定义了许多字符,一致性应用程序应将其识别为行结束符:</p>
<p><code>LF</code>:换行,<code>U+000A</code><br/>
<code>VT</code>:<a href="https://en.wikipedia.org/wiki/Vertical_Tab" rel="nofollow noreferrer" title="Vertical Tab">Vertical Tab</a>,<code>U+000B</code><br/>
<code>FF</code>:<a href="https://en.wikipedia.org/wiki/Form_Feed" rel="nofollow noreferrer" title="Form Feed">Form Feed</a>,<code>U+000C</code><br/>
<code>CR</code>:<a href="https://en.wikipedia.org/wiki/Carriage_return" rel="nofollow noreferrer" title="Carriage return">Carriage Return</a>,<code>U+000D</code><br/>
<code>CR+LF</code>:<code>CR</code>(<code>U+000D</code>)后接<code>LF</code>(<code>U+000A</code>)<br/>
<code>NEL</code>:下一行,<code>U+0085</code><br/>
<code>LS</code>:行分隔符,<code>U+2028</code><br/>
<code>PS</code>:段落分隔符,<code>U+2029</code></p>