amazon Silk load parseFile default Windows Phone Webos Mozilla/5.0 (Linux; U; Android 4.4.2; de-de; Nexus 7 Build/KOT49H) AppleWebKit/537.16 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.16 like Mozilla/5.0 (Maemo; Linux; U; Jolla; Sailfish; Mobile; rv:26.0) Gecko/26.0 Firefox/26.0 SailfishBrowser/1.0 like Safari/538.1 Sa Sailfish Firefox sailfish boos opera m Mozilla/5.0 (Linux; U; Android 6.0; R1 HD Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/52.0.2743.98 Mobile Safari/537.36 OPR/18.0.2254.106542 isUnsup name: '[a-zA-Z ]+'\s+, Chrome OPR ios safari iphone chromium: true flag msedge edge Mozilla/5.0 (Linux; Android 8.0; Pixel XL Build/OPP3.170518.006) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.0 Mobile Safari/537.36 EdgA/41.1.35.1 version: "" Mozilla/5.0 (iPod touch; CPU iPhone OS 9_3_4 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) OPiOS/14.0.0.104835 Mobile/13G35 Safari/9537.53 descript describe (\d+(\.?_?\d+)+) false false false true true DEFINITION_ORDER