客服电话
APP下载
迪恩网络APP
随时随地掌握行业动态
官方微信
扫描二维码
关注迪恩网络微信公众号
ngx.re.match语法: captures, err = ngx.re.match(subject, regex, options?, ctx?, res_table?) 环境: init_worker_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, balancer_by_lua*, ssl_certificate_by_lua*, ssl_session_fetch_by_lua*, ssl_session_store_by_lua* 官方的DEMO local m, err = ngx.re.match("hello, 1234", "[0-9]+")
if m then
-- m[0] == "1234"
else
if err then
ngx.log(ngx.ERR, "error: ", err)
return
end
ngx.say("match not found")
end
从URL地址中获取域名，脚本：ngx-re-match.lua local m, err = ngx.re.match("http://www.tinywan.com/live", "(?<=://)[A-Za-z0-9.]+(?=/)")
if m then
-- m[0] == "1234"
ngx.say(m[0])
ngx.say(m[1])
else
if err then
ngx.log(ngx.ERR, "error: ", err)
return
end
ngx.say("match not found")
end
ngx.say('finished')
虚拟主机： server {
listen 8334;
server_name 127.0.0.1;
resolver 8.8.8.8;
location /ngx_re_match {
lua_code_cache off;
content_by_lua_file $path/lua/ngx-re-match.lua;
}
}
curl 请求结果： curl http://127.0.0.1:8334/ngx_re_match
www.tinywan.com
nil
finished
如果想获取一级域名：tinywan.com 请使用表达式： (?<=://w{5}.)[A-Za-z0-9.]+(?=/)
帮助文档： http://blog.csdn.net/weiyuefei/article/details/38439017 |
请发表评论