processLine('23/05/2017 07:10:58 [6] 00-Always: ACTION=QUERY&Text=iphone%205%20has%20no%20network%2A&Summary=Context&SpellCheck=true&QuerySummary=false&Sort=AutnRank%2BRelevance&Synonym=true&TotalResults=true&MaxResults=10&PrintFields=drereference%2Cdretitle%2Ccontenttype%2Cautnrank%2COPTUS%5FFILTER1%2COPTUS%5FFILTER2%2COPTUS%5FFILTER3%2CCANONICAL%5FURL&Start=1&Predict=false&FieldText=%28MATCH%7BMy%20Optus%20Community%7D%3AOPTUS%5FFILTER1%3AOPTUS%5FFILTER2%3AOPTUS%5FFILTER3%20NOT%20MATCH%7Bsmb%7D%3ACONTEXT%20NOT%20MATCH%7BCustom%5FPromotions%7D%3ADREDBNAME%29%2BOR%2B%28%28MATCH%7BCustom%5FPromotions%7D%3ADREDBNAME%29%2BAND%2B%28BIASVAL%7Biphone%205%20has%20no%20network%2A%2C100%7D%3APromotion%5FKeywords%29%2BAND%2B%28MATCH%7Biphone%205%20has%20no%20network%2A%7D%3APromotion%5FKeywords%29%29&Combine=Simple&Characters=250 (127.0.0.1)');
if (defined $query && defined $ip && $query =~ m!/?a.*?=(\w+)([?&].*(?<=[?&])Text=([^?&]*))?!)
{
$events++;
my $action = $1;
my $terms = uri_unescape($3) || "";
}
我期待剝去Text=iphone%205%20has%20no%20network%2
一個iphone%205%20has%20no%20network%2A
,並存儲在$3
。我測試了正則表達式,似乎沒有發現問題。它將$3
作爲上下文打印。問題與perl腳本的正則表達式
期望是$3
輸出值作爲iphonehasnonetwork
當我傳球,
processLine('25/05/2017 14:48:10 [9] 00-Always: action=Query&text=samsung&databasematch=Help_Support&ResponseFormat=json&_=1495687690880 (127.0.0.1)');
它打印$3
作爲QuerySamsung
。這是預期的結果。
我是新來的Perl,我期待修改這個正則表達式,並排除這個問題。我已經剝離了我的perl腳本,並且診斷出根本問題。
$query =~ m!/?a.*?=(\w+)([?&].*(?<=[?&])Text=([^?&]*))?!i
看到i
到底:這正則表達式中regex101.com
爲什麼不使用[CGI](http://perldoc.perl.org/CGI.html)來解析e查詢參數? – tadman
編寫perl是爲了從HPE IDOL的StatsServer生成統計信息。沒有選擇,但必須這樣做。 – Himan
我們在這裏討論Perl。當然有選擇。 – tadman