blocks|key|2723706|text|在Notepad%2B%2B中，如果您转到菜单Search→Find+characters+In+range→Non-ASCII+Characters+(128-255)，则可以单步执行文档中的每个非ASCII字符。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2723707|如果要在文档中循环显示所有非字符，请务必勾选“ASCII码环绕”。|offset|length|style|BOLD|2723708|​|2723709|📷|atomic|2723710|2723711|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/46d77d35037970c6860d57e6cd247618.png|imageAlt^0|0|E|H|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|10|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|11|8|@]|9|@$D|12|E|13|1|14]]|A|$]]|$1|M|3|I|5|6|7|15|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U|V|-4]]]]

In Notepad++, if you go to menu Search → Find characters in range → Non-ASCII Characters (128-255) you can then step through the document to each non-ASCII character.

Be sure to tick off "Wrap around" if you want to loop in the document for all non-ASCII characters.

<a href="https://i.stack.imgur.com/JXqEC.png" rel="noreferrer"><img src="https://i.stack.imgur.com/JXqEC.png" alt="screenshot &quot;Find in Range&quot;"></a>

blocks|key|41191|text|除了ProGM的答案之外，如果您在框中看到NUL或ACK等字符并希望删除它们，这些字符是ASCII码控制字符(0到31)，您可以使用以下表达式找到它们并将其删除：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|41192|[\x00-\x1F]%2B|code-block|syntax|javascript|41193|为了删除所有非ASCII和ASCII控制字符，您应该删除与此正则表达式匹配的所有字符：|41194|[%5E\x1F-\x7F]%2B|41195|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

In addition to the answer by ProGM, in case you see characters in boxes like NUL or ACK and want to get rid of them, those are ASCII control characters (0 to 31), you can find them with the following expression and remove them:

<pre><code>[\x00-\x1F]+
</code></pre>

In order to remove all non-ASCII AND ASCII control characters, you should remove all characters matching this regex:

<pre><code>[^\x1F-\x7F]+
</code></pre>

blocks|key|2723837|text|要删除所有非ASCII字符，可以使用以下替换：[%5E\x00-\x7F]%2B|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2723838|​|2723839|📷|atomic|2723840|2723841|要突出显示字符，我建议使用搜索窗口中的ASCII功能:这将突出显示非ASCII码字符，并在包含其中一个字符的行中放置一个书签|2723842|如果您想突出显示ASCII字符并将其放在书签上，则可以使用正则表达式[\x00-\x7F]来实现。|2723843|2723844|2723845|2723846|干杯|2723847|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/63d00dc1a8ad8385256304b555ae4361.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/fdb0b097c52b7436a79e596c10eb6462.png^0|N|D|0|0|0|1|0|0|0|0|Y|B|0|0|0|1|1|0|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@$9|16|A|17|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|18|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|19|8|@]|D|@$9|1A|A|1B|1|1C]]|E|$]]|$1|K|3|G|5|6|7|1D|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|1E|8|@]|D|@]|E|$]]|$1|N|3|O|5|6|7|1F|8|@$9|1G|A|1H|B|C]]|D|@]|E|$]]|$1|P|3|G|5|6|7|1I|8|@]|D|@]|E|$]]|$1|Q|3|I|5|J|7|1J|8|@]|D|@$9|1K|A|1L|1|1M]]|E|$]]|$1|R|3|G|5|6|7|1N|8|@]|D|@]|E|$]]|$1|S|3|T|5|6|7|1O|8|@]|D|@]|E|$]]|$1|U|3|-4|5|6|7|1P|8|@]|D|@]|E|$]]]|V|$W|$5|X|Y|Z|E|$10|11|12|-4]]|13|$5|X|Y|Z|E|$10|14|12|-4]]]]

To remove all non-ASCII characters, you can use following replacement: <code>[^\x00-\x7F]+</code>

<a href="https://i.stack.imgur.com/mPAdZ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/mPAdZ.png" alt="Removing non-ASCII"></a>

To highlight characters, I recommend using the Mark function in the search window: this highlights non-ASCII characters and put a bookmark in the lines containing one of them

If you want to highlight and put a bookmark on the ASCII characters instead, you can use the regex <code>[\x00-\x7F]</code> to do so.

<a href="https://i.stack.imgur.com/vjcNw.png" rel="noreferrer"><img src="https://i.stack.imgur.com/vjcNw.png" alt="Highlighting Non-ASCII"></a>

Cheers

blocks|key|41197|text|要保留新行，请执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|41198|41199|首先为新行选择一个字符...我使用了#.|ordered-list-item|41200|选择replace选项，extended.|41201|input+\n替换为#|41202|点击replace+|41203|41204|接下来：|41205|Select+Hit>选择Replace+option+Regular+Expression.|41206|Input+this：%5E\x20-\x7E%2B|unordered-list-item|41207|
|41208|Keep+Replace+With+|41209|41210|+Replace+All|41211|41212|41213|现在，选择Replace+option+Extended并将#替换为\n|41214|:)现在，您有了一个干净的ASCII文件;)|41215|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|18|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1A|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|1B|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|1C|8|@]|9|@]|A|$]]|$1|J|3|K|5|E|7|1D|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|1F|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1G|8|@]|9|@]|A|$]]|$1|Q|3|R|5|S|7|1H|8|@]|9|@]|A|$]]|$1|T|3|U|5|6|7|1I|8|@]|9|@]|A|$]]|$1|V|3|W|5|S|7|1J|8|@]|9|@]|A|$]]|$1|X|3|-4|5|E|7|1K|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|E|7|1L|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]|$1|11|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]|$1|12|3|13|5|6|7|1O|8|@]|9|@]|A|$]]|$1|14|3|15|5|6|7|1P|8|@]|9|@]|A|$]]|$1|16|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]]|17|$]]

To keep new lines:

<ol>
<li>First select a character for new line... I used #.</li>
<li>Select replace option, extended.</li>
<li>input \n replace with #</li>
<li>Hit Replace All</li>
</ol>

Next:

<ol>
<li>Select Replace option Regular Expression.</li>
<li>Input this : [^\x20-\x7E]+</li>
<li>Keep Replace With Empty</li>
<li>Hit Replace All</li>
</ol>

Now, Select Replace option Extended and Replace # with \n

:) now, you have a clean ASCII file ;)

blocks|key|42283|text|另一个好技巧是在编辑器中进入UTF8模式，这样你就可以真正看到这些有趣的字符，并自己删除它们。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|42284|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Another good trick is to go into UTF8 mode in your editor so that you can actually see these funny characters and delete them yourself.

blocks|key|2514113|text|另一种方式...|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2514114|2514115|安装Text+FX插件如果你还没有，请转到TextFX菜单选项->+zap+all+non+printable+characters+to+#。它将用3#+symbols|ordered-list-item|2514116|Go+to+Find/Replace+|2514117|+look+###替换所有无效字符。替换为空格。|2514118|如果您不记得正则表达式或不想查找它，这是很好的。但是其他人提到的正则表达式也是一个很好的解决方案。|2514119|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|O|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|P|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|Q|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|S|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|M|$]]

Another way...

<ol>
<li>Install the Text FX plugin if you don't have it already</li>
<li>Go to the TextFX menu option -> zap all non printable characters to #. It will replace all invalid chars with 3 # symbols</li>
<li>Go to Find/Replace and look for ###. Replace it with a space.</li>
</ol>

This is nice if you can't remember the regex or don't care to look it up. But the regex mentioned by others is a nice solution as well.

blocks|key|41184|text|单击查看/显示符号/显示所有字符-要显示文件中的SOH字符，请单击文件CTRL=H中的SOH符号以弹出替换，保留'Find+What:‘，将'Replace+with:’更改为您选择的字符(逗号、分号、其他...)单击“全部替换”完成并完成！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|41185|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Click on View/Show Symbol/Show All Character - to show the [SOH] characters in the file
Click on the [SOH] symbol in the file
CTRL=H to bring up the replace
Leave the 'Find What:' as is
Change the 'Replace with:' to the character of your choosing (comma,semicolon, other...)
Click 'Replace All'
Done and done!

I searched a lot, but nowhere is it written how to remove non-ASCII characters from Notepad++.

I need to know what command to write in find and replace (with picture it would be great).

<ul>
<li>If I want to make a white-list and bookmark all the ASCII words/lines so non-ASCII lines would be unmarked</li>
<li>If the file is quite large and can't select all the ASCII lines and just want to select the lines containing non-ASCII characters...</li>
</ul>

How do I remove all non-ASCII characters with regex and Notepad++?

我搜索了很多，但没有写到如何从Notepad++中删除非ASCII码字符。我需要知道在查找和替换中写什么命令(带图片就好了)。如果我想创建一个白名单并将所有ASCII字/行加入书签，这样非ASCII行将被取消标记如果文件很大并且不能选择所有ASCII行并且只想选择包含非ASCII行...

问如何使用regex和Notepad++删除所有非ASCII码字符？
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