我的同龄人问我,你将如何查找最后一个@if more than one@`。
示例:
j@ssi@aliencoders.com@..coding.com
因此,它应该将j@ssi@aliencoders.com显示为用户名,将..coding.com显示为域名。Perl中有没有一个线性正则表达式可以获得所需的输出?
我有一个.htaccess,它看起来很像这样:
# disable directory browsing
Options All -Indexes
# start rewrites
RewriteEngine on
Redirect 301 /someoldpage.php http://example.com/fancyurl
# if not a file, and not a directory, reroute through index as normal page
RewriteCond %{SCRIPT_FILENAME} !-f
RewriteCond %{SCRIPT_
有人能解释一下这个mod_rewrite规则是干什么的吗?
我试图对该文件进行注释,但代码似乎与我认为的相反
# Enable rewriting of URLs
RewriteEngine on
# Allow specified file types to be accessed
# Thing to test = URL
# Condition = not starting with
RewriteCond $1 !^(index\.php|images|css|js|robots\.txt)
# RewriteRule will only be performed if t