need to convert rewrite rule for nginx
thank you

RewriteEngine On

#reg site
RewriteRule ^(admin)/?$ ./index.php?m=$1&module=$1 [L]
RewriteRule ^(p)/([a-z0-9_]+)/?$ ./index.php?mod=$2 [L]
RewriteRule ^(c)/([a-zA-Z0-9_/]+)/?$ ./index.php?c=$2 [L]
RewriteRule ^([0-9]+)/?$ ./index.php?m=bbs&uid=$1 [L]
RewriteRule ^(b)/?$ ./index.php?m=bbs [L]
RewriteRule ^(b)/([a-zA-Z0-9_]+)/?$ ./index.php?m=bbs&bid=$2 [L]
RewriteRule ^(b)/([a-zA-Z0-9_]+)/([0-9]+)/?$ ./index.php?m=bbs&bid=$2&uid=$3 [L]
RewriteRule ^(b)/([a-zA-Z0-9_]+)/write/?$ ./index.php?m=bbs&bid=$2&mod=write [L]
RewriteRule ^(b)/([a-zA-Z0-9_]+)/([0-9]+)/s([0-9]+)/?$ ./index.php?m=bbs&bid=$2&uid=$3&s=$4 [L]
RewriteRule ^(b)/([a-zA-Z0-9_]+)/([0-9]+)/([0-9]+)/?$ ./index.php?m=bbs&bid=$2&uid=$3&CMT=$4#CMT [L]
RewriteRule ^(b)/([a-zA-Z0-9_]+)/([0-9]+)/([0-9]+)/s([0-9]+)/?$ ./index.php?m=bbs&bid=$2&uid=$3&CMT=$4&s=$5#CMT [L]

#site code extend
RewriteRule ^([a-zA-Z0-9_]+)/?$ ./index.php?r=$1 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(admin)/?$ ./index.php?r=$1&m=$2&mdule=$2 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(p)/([a-z0-9_]+)/?$ ./index.php?r=$1&mod=$3 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(c)/([a-zA-Z0-9_/]+)/?$ ./index.php?r=$1&c=$3 [L]
RewriteRule ^([a-zA-Z0-9_]+)/([0-9]+)/?$ ./index.php?r=$1&m=bbs&uid=$2 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/?$ ./index.php?r=$1&m=bbs [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/([a-zA-Z0-9_]+)/?$ ./index.php?r=$1&m=bbs&bid=$3 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/([a-zA-Z0-9_]+)/([0-9]+)/?$ ./index.php?r=$1&m=bbs&bid=$3&uid=$4 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/([a-zA-Z0-9_]+)/write/?$ ./index.php?r=$1&m=bbs&bid=$3&mod=write [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/([a-zA-Z0-9_]+)/([0-9]+)/s([0-9]+)/?$ ./index.php?r=$1&m=bbs&bid=$3&uid=$4&s=$5 [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/([a-zA-Z0-9_]+)/([0-9]+)/([0-9]+)/?$ ./index.php?r=$1&m=bbs&bid=$3&uid=$4&CMT=$5#CMT [L]
RewriteRule ^([a-zA-Z0-9_]+)/(b)/([a-zA-Z0-9_]+)/([0-9]+)/([0-9]+)/s([0-9]+)/?$ ./index.php?r=$1&m=bbs&bid=$3&uid=$4&CMT=$5&s=$6#CMT [L]