在 Notepad++ 中查找 CRLF [英] Find CRLF in Notepad++

问题描述

如何在 Notepad++ 中查找/替换所有 CR/LF 字符?

我正在寻找与 Microsoft Word 中的 ^p 特殊字符等效的东西.

解决方案

[\r\n]+ 应该也能用

更新 2012 年 3 月 26 日，".
(由 georgiecasey 在他/她的下面的答案)

一些相关的摘录包括以下搜索过程:

<块引用>

简单搜索 (Ctrl+F)，搜索模式 = Normal

您可以在编辑窗口中选择一个EOL.

• 只需将光标移动到行尾，然后键入 Shift+Right 箭头.
• 或者，用鼠标选择EOL，从行尾开始并拖动到下一行的开头；拖动到 EOL 的右侧将不起作用.您可以手动复制 EOL 并将其粘贴到 Unix 文件字段中(LF-only).

简单搜索 (Ctrl+F)，搜索模式 = 扩展

扩展"选项将 \n 和 \r 显示为可以匹配的字符.
与普通搜索模式一样，Notepad++ 正在寻找确切的字符.
在 UNIX 格式的文件中搜索 \r 不会找到任何东西，但搜索 \n 会.同样，Macintosh 格式的文件将包含 \r 但不包含 \n.

简单搜索(Ctrl+F)，搜索模式=正则表达式

正则表达式使用字符 ^ 和 $ 将匹配字符串定位到行的开头或结尾.例如，搜索 return;$ 将找到return;"的出现发生在同一行上没有后续文本的情况.锚字符在所有文件格式中的作用相同.
这 '.'点元字符与行尾不匹配.

[在 Notepad++ 5.8.5 中测试]:使用显式 \r 或 \n 的正则表达式搜索不起作用(与 Scintilla 文档).
在选择EOL时，既不是显式(粘贴的)LF，或在字段中放置在字段中的(不可见)EOL字符上.高级搜索 (Ctrl+R)，无需正则表达式

Ctrl+M 将插入与换行符匹配的内容.它们将被替换字符串替换.
我推荐这种方法是最可靠的，除非你真的需要使用正则表达式.
例如，要删除双倍行距文件中的第二个换行符，请在搜索字符串框中输入 Ctrl+M 两次，在替换字符串框中输入一次.>

使用正则表达式进行高级搜索 (Ctrl+R).

Ctrl+M、$ 和 \r\n 都不匹配.

<小时>

同一个维基还提到了十六进制编辑器替代方案:

<块引用>

• 在文档开头键入新字符串.
• 然后选择以以十六进制模式查看文档.
• 选择其中一行新行并点击 Ctrl+H.
• 当您打开替换"对话框时，在背景上选择新的替换字符串，然后 Ctrl+C 将其复制并粘贴到替换为文本"输入中.
• 然后根据需要替换或全部替换.

注意:为换行选择的字符通常显示为0a.
如果文件是 Windows 格式，它可能具有不同的值.在这种情况下，您可以随时转到 Edit ->EOL 转换 ->转换为Unix格式，替换后切换回Edit ->EOL 转换 ->转换为 Windows 格式.

How can I find/replace all CR/LF characters in Notepad++?

I am looking for something equivalent to the ^p special character in Microsoft Word.

解决方案

[\r\n]+ should work too

Update March, 26th 2012, release date of Notepad++ 6.0:

OMG, it actually does work now!!!

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Original answer 2008 (Notepad++ 4.x) - 2009-2010-2011 (Notepad++ 5.x)

Actually no, it does not seem to work with regexp...

But if you have Notepad++ 5.x, you can use the 'extended' search mode and look for \r\n. That does find all your CRLF.

(I realize this is the same answer than the others, but again, 'extended mode' is only available with Notepad++ 4.9, 5.x and more)

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Since April 2009, you have a wiki article on the Notepad++ site on this topic:
"How To Replace Line Ends, thus changing the line layout".
(mentioned by georgiecasey in his/her answer below)

Some relevant extracts includes the following search processes:

Simple search (Ctrl+F), Search Mode = Normal

You can select an EOL in the editing window.

• Just move the cursor to the end of the line, and type Shift+Right Arrow.
• or, to select EOL with the mouse, start just at the line end and drag to the start of the next line; dragging to the right of the EOL won't work. You can manually copy the EOL and paste it into the field for Unix files (LF-only).

Simple search (Ctrl+F), Search Mode = Extended

The "Extended" option shows \n and \r as characters that could be matched.
As with the Normal search mode, Notepad++ is looking for the exact character.
Searching for \r in a UNIX-format file will not find anything, but searching for \n will. Similarly, a Macintosh-format file will contain \r but not \n.

Simple search (Ctrl+F), Search Mode = Regular expression

Regular expressions use the characters ^ and $ to anchor the match string to the beginning or end of the line. For instance, searching for return;$ will find occurrences of "return;" that occur with no subsequent text on that same line. The anchor characters work identically in all file formats.
The '.' dot metacharacter does not match line endings.

[Tested in Notepad++ 5.8.5]: a regular expression search with an explicit \r or \n does not work (contrary to the Scintilla documentation).
Neither does a search on an explicit (pasted) LF, or on the (invisible) EOL characters placed in the field when an EOL is selected. Advanced search (Ctrl+R) without regexp

Ctrl+M will insert something that matches newlines. They will be replaced by the replace string.
I recommend this method as the most reliable, unless you really need to use regex.
As an example, to remove every second newline in a double spaced file, enter Ctrl+M twice in the search string box, and once in the replace string box.

Advanced search (Ctrl+R) with Regexp.

Neither Ctrl+M, $ nor \r\n are matched.

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The same wiki also mentions the Hex editor alternative:

• Type the new string at the beginning of the document.
• Then select to view the document in Hex mode.
• Select one of the new lines and hit Ctrl+H.
• While you have the Replace dialog box up, select on the background the new replacement string and Ctrl+C copy it to paste it in the Replace with text input.
• Then Replace or Replace All as you wish.

Note: the character selected for new line usually appears as 0a.
It may have a different value if the file is in Windows Format. In that case you can always go to Edit -> EOL Conversion -> Convert to Unix Format, and after the replacement switch it back and Edit -> EOL Conversion -> Convert to Windows Format.

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