Community Learn Tools Library Leisure
search
English
Home > php教程 > php手册 > php和editplus正则表达式去除空白行，editplus正则表达式

php和editplus正则表达式去除空白行，editplus正则表达式

WBOY
Release： 2016-06-13 09:06:49
Original
1350 people have browsed it

php和editplus正则表达式去除空白行，editplus正则表达式

去除字符串内部的空行：
复制代码 代码如下:
$str = preg_replace("/(\s*?\r?\n\s*?)+/","\n",$str);

去除全部的空行，包括内部和头尾：
复制代码 代码如下:
$str = preg_replace('/($\s*$)|(^\s*^)/m', '',$str);

editplus中替换空白行的正则表达式：

正则表达式：^[\t\n ]*\n

Related labels：
editplus php regular expression
source：php.cn
Previous article：php关联数组快速排序的方法，php关联数组 Next article：php递归遍历删除文件的方法，
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 Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Where should I place CustomLog directive in apache I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
0
1
990
What is the format of the variables in the return value? I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
0
1
778
Problems encountered when using opentbs to generate odt files: values ​​of the same key are displayed in the same row instead of separate columns. I'm using a library called OpenTbs to create odt using PHP, I'm using it because columns a...
From 2024-04-06 20:18:18
0
1
483
Group MySQL results by ID for looping over I have a table with flight data in mysql. I'm writing a php code that will group and displ...
From 2024-04-06 17:27:56
0
1
406
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template