What are the regular expressions of text collation commonly used in notepad, editplus and other software?

Editor to share with you notepad, editplus and other software commonly used text collation regular expressions, I hope you have something to gain after reading this article, let's discuss it!

Text collation is definitely not possible only with notepad, it is recommended to use notepad++

Line break\ n

Blank line ^ $

Remove all blank lines and replace ^ $\ nwith blank.

Space\ s

More than 2 spaces\ s {2,}

Add custom characters to the entire string. For example, if the string is a number, add @ 163.com to the end of the string.

Replace (\ w +) with $1@163.com

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