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正则表达式 - PHP正则匹配的问题

Jun 06, 2016 pm 08:26 PM
php regular expression

如何匹配路径分隔符

<code>$win_dir = 'C:\hello.txt';
$linux_dir = '/home/hello.txt';</code>
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如何使用preg_match()对变量$win_dir如何匹配出\并输出。以及对$linux_dir如何匹配出/并输出。还有如何匹配出\\或者//

谢谢各位!!

回复内容:

如何匹配路径分隔符

<code>$win_dir = 'C:\hello.txt';
$linux_dir = '/home/hello.txt';</code>
Copy after login
Copy after login

如何使用preg_match()对变量$win_dir如何匹配出\并输出。以及对$linux_dir如何匹配出/并输出。还有如何匹配出\\或者//

谢谢各位!!

对于你的 并输出 不理解是什么意思..

正则表达式 - PHP正则匹配的问题

正则表达式 - PHP正则匹配的问题
上面的正则匹配 \ 或者 / 出现多次,
如果需要精确的匹配 \\ 或者 //, 使用下面这个:

正则表达式 - PHP正则匹配的问题


正则表达式 - PHP正则匹配的问题

无需用正则匹配的,用PHP自带的DIRECTORY_SEPARATOR即可,

DIRECTORY_SEPARATOR:输出系统分隔符

<code><?php echo DIRECTORY_SEPARATOR;
</code></code>
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windows平台输出 \,Linux平台输出/

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