Shulou(Shulou.com)06/02 Report--

How to carry out regular expression matching string implementation, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, hope you can gain something.

The most common way to use regular expressions is to consider the judgment of regular expression matching. what string operations that need to be matched are often encountered in practical work? Let's take a look at an example of an operation that implements a regular expression matching string.

The regular expression matches the string instance:

^ [A-Za-z] + $/ / match string of 26 letters ^ [Amurz] + $/ / match string of 26 letters of uppercase ^ [Amurz] + $/ / match string of 26 letters of lowercase ^ [A-Za-z0-9] + $/ / match consists of numbers and 26 letters The string of English letters ^\ welled $/ / matches by numbers, A string of 26 English letters or underscores

Note: some of the most basic and most commonly used expressions

Is it helpful for you to read the above content? If you want to know more about the relevant knowledge or read more related articles, please follow the industry information channel, thank you for your support.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.