Regex set for doing device detection

etc/devicedetect.vcl

+#
+# detectdevice.vcl - regex based device detection for Varnish
+# http://github.com/varnish/varnish-devicedetect/
+#
+# Author: Lasse Karstensen <lasse@varnish-software.com>
+
+sub devicedetect {
+    unset req.http.X-UA-Device;
+    set req.http.X-UA-Device = "pc";
+
+    if (req.http.User-Agent ~ "(?i)(ads|google|bing|msn|yandex|baidu|ro|career|)bot" ||
+	req.http.User-Agent ~ "(?i)(baidu|symantec)spider" ||
+	req.http.User-Agent ~ "(?i)scanner" ||
+	req.http.User-Agent ~ "(?i)(web)crawler") {
+	set req.http.X-UA-Device = "bot"; }
+    elsif (req.http.User-Agent ~ "(?i)ip(hone|od)") { set req.http.X-UA-Device = "mobile-iphone"; }
+    elsif (req.http.User-Agent ~ "(?i)ipad")        { set req.http.X-UA-Device = "tablet-ipad"; }
+    # how do we differ between an android phone and an android tablet?
+    # http://stackoverflow.com/questions/5341637/how-do-detect-android-tablets-in-general-useragent
+    elsif (req.http.User-Agent ~ "(?i)android.*(mobile|mini)") { set req.http.X-UA-Device = "mobile-android"; }       
+    # android 3/honeycomb was just about tablet-only, and any phones will probably handle a bigger page layout.
+    elsif (req.http.User-Agent ~ "(?i)android 3")              { set req.http.X-UA-Device = "tablet-android"; }
+    # may very well give false positives towards android tablets. Suggestions welcome.
+    elsif (req.http.User-Agent ~ "(?i)android")         { set req.http.X-UA-Device = "tablet-android"; }
+
+    elsif (req.http.User-Agent ~ "^HTC" ||
+        req.http.User-Agent ~ "Fennec" || 
+        req.http.User-Agent ~ "IEMobile" ||
+        req.http.User-Agent ~ "BlackBerry" ||
+        req.http.User-Agent ~ "SymbianOS.*AppleWebKit" ||
+        req.http.User-Agent ~ "Opera Mobi") {
+        set req.http.X-UA-Device = "mobile-smartphone";
+    }
+    elsif (req.http.User-Agent ~ "(?i)symbian" ||
+        req.http.User-Agent ~ "(?i)^sonyericsson" ||
+        req.http.User-Agent ~ "(?i)^nokia" ||
+        req.http.User-Agent ~ "(?i)^samsung" ||
+        req.http.User-Agent ~ "(?i)^lg" ||
+	req.http.User-Agent ~ "(?i)bada" ||
+	req.http.User-Agent ~ "(?i)blazer" ||
+	req.http.User-Agent ~ "(?i)cellphone" ||
+	req.http.User-Agent ~ "(?i)iemobile" ||
+	req.http.User-Agent ~ "(?i)midp-2.0" ||
+	req.http.User-Agent ~ "(?i)u990" ||
+	req.http.User-Agent ~ "(?i)netfront" ||
+	req.http.User-Agent ~ "(?i)opera mini" ||
+	req.http.User-Agent ~ "(?i)palm" ||
+	req.http.User-Agent ~ "(?i)nintendo wii" ||
+	req.http.User-Agent ~ "(?i)playstation portable" ||
+	req.http.User-Agent ~ "(?i)portalmmm" ||
+	req.http.User-Agent ~ "(?i)proxinet" ||
+	req.http.User-Agent ~ "(?i)sonyericsson" ||
+	req.http.User-Agent ~ "(?i)symbian" ||
+	req.http.User-Agent ~ "(?i)windows\ ?ce" ||
+	req.http.User-Agent ~ "(?i)winwap" ||
+	req.http.User-Agent ~ "(?i)eudoraweb" ||
+	req.http.User-Agent ~ "(?i)htc" ||
+	req.http.User-Agent ~ "(?i)240x320" ||
+	req.http.User-Agent ~ "(?i)avantgo") { 
+        set req.http.X-UA-Device = "mobile-generic";
+    } 
+    # handle overrides
+    if (req.http.Cookie ~ "(i?)X-UA-Device-force") {
+        # ;?? means zero or one ;, non-greedy to match the first.
+        set req.http.X-UA-Device = regsub(req.http.Cookie, "(?i).*X-UA-Device-force=([^;]+);??.*", "\1");
+    }
+}
+
+# vim: sw=4:tw=120 # meh