php 正则如何匹配“/”，网络上只有匹配“\”的
加反斜杠转义 "\/"
/\// -->和分界符相同，所以要转义
或
#/# -->和分界符不同，所以不需要转义
加反斜杠转义 "\/" 试过了，没用
/\// -->和分界符相同，所以要转义
或
#/# -->和分界符不同，所以不需要转义
谢谢了，我用了##当分界符，我以为只有//当分界符
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