Home > Backend Development > PHP Tutorial > javascript - 一个简单的正则表达式问题

javascript - 一个简单的正则表达式问题

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB
Release: 2016-06-06 20:26:54
Original
1304 people have browsed it

请教大家,

[\w\W]+.+有什么区别?
[\w\W]难道和.不是等价的吗?

回复内容:

请教大家,

[\w\W]+.+有什么区别?
[\w\W]难道和.不是等价的吗?

javascript - 一个简单的正则表达式问题

javascript - 一个简单的正则表达式问题

.无法匹配换行符,所以需要用[\w\W],php里还可以用/.+/s

Related labels:
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Issues
What are JavaScript hook functions?
From 1970-01-01 08:00:00
0
0
0
What is JavaScript garbage collection?
From 1970-01-01 08:00:00
0
0
0
c++ calls javascript
From 1970-01-01 08:00:00
0
0
0
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template