正则表达式 - PHP正则匹配的问题
如何匹配路径分隔符
<code>$win_dir = 'C:\hello.txt'; $linux_dir = '/home/hello.txt';</code>
如何使用preg_match()
对变量$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'; $linux_dir = '/home/hello.txt';</code>
如何使用preg_match()
对变量$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..
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:
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>
windows平台输出 \
,Linux平台输出/

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