How to use python character class

This article mainly introduces how to use the python character class, the article introduces in great detail, has a certain reference value, interested friends must read it!

1. In regular expressions, you can use character classes, a character class that defines a set of characters. Any one of these characters appears in the input string, that is, the match is successful.

Note that only one character can be matched per match.

2. To define a normal character class, you need to use [and] meta character classes.

Example

P = r'[Jj] ava' m = re.search (p,'I like JAVA and Python') print (m) m = re.search (p,'I like java and python') print (m) m = re.search (p,'I like Java and Python') print (m) above is all the content of the article "how to use python character classes". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!