Python regular expression replacement string function re. sub usage example

Source: Internet
Author: User
This article mainly introduces the Python regular expression replacement string function re. sub usage, combined with the instance form analysis of the regular expression replacement string function re. sub functions and simple use methods have some reference value. if you need sub functions, refer to the example in this article to describe Python regular expression replacement string function re. sub usage. We will share this with you for your reference. The details are as follows:

Python re. sub is a standard library of python regular expressions. its main function is to use regular expressions to match strings to be replaced.
Then replace it with the desired string method.
The re. sub function performs replacement based on a regular expression.

The following is a sample source code.

#! /Usr/bin/env python # encoding: utf-8import reurl = 'https: // 113.215.20.136: 9011/113. 215.6.77/c3pr90ntcya0/youku/6981496DC9913B8321BFE4A4E73/comment 'pattern = 'http ://(. *?) : 9011/'out = re. sub (pattern, 'http: // 127.0.0.1: 9091/', url) print out

Run the following command:

For more articles about how to use Python regular expression replacement string function re. sub, refer to PHP!

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.