■ 날짜Tuesday, February 25, 2022 → Tuesday, February 25, 2022(Sun(day)?|Mon(day)?|Tue(sday)?|Wed(nesday)?|Thu(rsday)?|Fri(day)?|Sat(urday)?),\s(Jan(uary)?|Feb(ruary)?|Mar(ch)?|Apr(il)?|May|Jun(e)?|Jul(y)?|Aug(ust)?|Sep(tember)?|Oct(ober)?|Nov(ember)?|Dec(ember)?)\s+\d{1,2},\s+\d{4} ■ 시간12:55 PM → 12:55 PM^(0[1-9]:[0-5][0-9]((\ ){0,1})((AM)|(PM)|(am)|(pm)))|([1-9]:[0-5][0-9]((\ ){0,1})((AM)|(PM)|(am)|(pm)))|(1[0-2]:[0-5][0-9]((\ ){0,1})((AM)|(PM)|(am)|(pm))) ■ IPv4 (CIDR 포함)192.168.0.1/24 → 192.168.0.1/24(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\/([0-9]|[1-2][0-9]|3[0-2]))?$ ■ IPv62001:db8:3:4:: →(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])) ■ HTML<meta http-equiv=”Content-Type” content=”text/html; charset=iso-8859-1″> → <meta http-equiv=”Content-Type” content=”text/html; charset=iso-8859-1″><(\S*?)[^>]>.?<\/\1>|<.*?> ■ e-mailtest@test.com → test@test.com^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$ ■ Host namegoogle.com → google.com^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$ ■ Intergers-5 → -5^[-+]?\d+$ ■ /를 포함한 마지막
