正如其他人所说，这取决于你的regex引擎，但一个小例子，你可以这样做：/([ _-,.])\1*/\1/g使...
Remove/Replace/Extract Words With Repeating Characterstext.var
This would match all three-letter words. But what if you want to match a five- or eight-character word. The above method is tedious. There’s a better way to express such a pattern using the{}curly braces notation. All you have to do is specify the number of repeating characters. Her...
It may be useful to filter out words with repeating characters which are not really words at all. p1 <- "aaaahahahahaha that was a good banana joke ahahah haha aha harhar" gsub('\\b(\\S+?)\\1\\S*\\b', '', p1, perl = TRUE) ## [1] " that was a good banana joke aha...
Find and replace a string in the registry Find and Replace special characters text in file Find and Replace Text in a File Find bridge head server Find certificates issued by specific CA? Find Computer Name of the PC that a user is currently logged from their AD Username Find Computers AD ...
Regular expressions can contain both special and ordinary characters. Most ordinary characters, like'A','a', or'0', are the simplest regular expressions; they simply match themselves. You can concatenate ordinary characters, solastmatches the string'last'. (In the rest of this section, we’ll...
Find repeating patterns (that you do not know in advance) in string Find the .csproj path of a .cs file programatically using c# find url from a text file in C# Finding all connected USB Devices and their Friendly Names Finding all special characters in a text file Fire event before selec...
Sometimes I have to use regular expression or “regex” searches to parse a bunch of text, but I can’t remember how to use the search function to find a particular sequence of character and then reuse those found characters in the text I’m trying to replace it with. In Notepad++, th...
regex 这个正则表达式是什么意思？也可以在regextag details page上看到很多一般性的提示和有用的链接。
A regular expression (or regex, or regexp) is a way to describe complex search patterns using sequences of characters. The complexity of the specialized regex syntax, however, can make these expressions somewhat inaccessible. For instance, here is a basic regex that describes any time in the ...