1package govalidator 2 3import "regexp" 4 5// Basic regular expressions for validating strings 6const ( 7 Email string = "^(((([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|\\.|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$" 8 CreditCard string = "^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11})$" 9 ISBN10 string = "^(?:[0-9]{9}X|[0-9]{10})$" 10 ISBN13 string = "^(?:[0-9]{13})$" 11 UUID3 string = "^[0-9a-f]{8}-[0-9a-f]{4}-3[0-9a-f]{3}-[0-9a-f]{4}-[0-9a-f]{12}$" 12 UUID4 string = "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$" 13 UUID5 string = "^[0-9a-f]{8}-[0-9a-f]{4}-5[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$" 14 UUID string = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$" 15 Alpha string = "^[a-zA-Z]+$" 16 Alphanumeric string = "^[a-zA-Z0-9]+$" 17 Numeric string = "^[0-9]+$" 18 Int string = "^(?:[-+]?(?:0|[1-9][0-9]*))$" 19 Float string = "^(?:[-+]?(?:[0-9]+))?(?:\\.[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$" 20 Hexadecimal string = "^[0-9a-fA-F]+$" 21 Hexcolor string = "^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$" 22 RGBcolor string = "^rgb\\(\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*\\)$" 23 ASCII string = "^[\x00-\x7F]+$" 24 Multibyte string = "[^\x00-\x7F]" 25 FullWidth string = "[^\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]" 26 HalfWidth string = "[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]" 27 Base64 string = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$" 28 PrintableASCII string = "^[\x20-\x7E]+$" 29 DataURI string = "^data:.+\\/(.+);base64$" 30 Latitude string = "^[-+]?([1-8]?\\d(\\.\\d+)?|90(\\.0+)?)$" 31 Longitude string = "^[-+]?(180(\\.0+)?|((1[0-7]\\d)|([1-9]?\\d))(\\.\\d+)?)$" 32 DNSName string = `^([a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62}){1}(\.[a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62})*[\._]?$` 33 IP string = `(([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]))` 34 URLSchema string = `((ftp|tcp|udp|wss?|https?):\/\/)` 35 URLUsername string = `(\S+(:\S*)?@)` 36 URLPath string = `((\/|\?|#)[^\s]*)` 37 URLPort string = `(:(\d{1,5}))` 38 URLIP string = `([1-9]\d?|1\d\d|2[01]\d|22[0-3])(\.(1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.([0-9]\d?|1\d\d|2[0-4]\d|25[0-4]))` 39 URLSubdomain string = `((www\.)|([a-zA-Z0-9]+([-_\.]?[a-zA-Z0-9])*[a-zA-Z0-9]\.[a-zA-Z0-9]+))` 40 URL string = `^` + URLSchema + `?` + URLUsername + `?` + `((` + URLIP + `|(\[` + IP + `\])|(([a-zA-Z0-9]([a-zA-Z0-9-_]+)?[a-zA-Z0-9]([-\.][a-zA-Z0-9]+)*)|(` + URLSubdomain + `?))?(([a-zA-Z\x{00a1}-\x{ffff}0-9]+-?-?)*[a-zA-Z\x{00a1}-\x{ffff}0-9]+)(?:\.([a-zA-Z\x{00a1}-\x{ffff}]{1,}))?))\.?` + URLPort + `?` + URLPath + `?$` 41 SSN string = `^\d{3}[- ]?\d{2}[- ]?\d{4}$` 42 WinPath string = `^[a-zA-Z]:\\(?:[^\\/:*?"<>|\r\n]+\\)*[^\\/:*?"<>|\r\n]*$` 43 UnixPath string = `^(/[^/\x00]*)+/?$` 44 Semver string = "^v?(?:0|[1-9]\\d*)\\.(?:0|[1-9]\\d*)\\.(?:0|[1-9]\\d*)(-(0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(\\.(0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*)?(\\+[0-9a-zA-Z-]+(\\.[0-9a-zA-Z-]+)*)?$" 45 tagName string = "valid" 46 hasLowerCase string = ".*[[:lower:]]" 47 hasUpperCase string = ".*[[:upper:]]" 48 hasWhitespace string = ".*[[:space:]]" 49 hasWhitespaceOnly string = "^[[:space:]]+$" 50) 51 52// Used by IsFilePath func 53const ( 54 // Unknown is unresolved OS type 55 Unknown = iota 56 // Win is Windows type 57 Win 58 // Unix is *nix OS types 59 Unix 60) 61 62var ( 63 userRegexp = regexp.MustCompile("^[a-zA-Z0-9!#$%&'*+/=?^_`{|}~.-]+$") 64 hostRegexp = regexp.MustCompile("^[^\\s]+\\.[^\\s]+$") 65 userDotRegexp = regexp.MustCompile("(^[.]{1})|([.]{1}$)|([.]{2,})") 66 rxEmail = regexp.MustCompile(Email) 67 rxCreditCard = regexp.MustCompile(CreditCard) 68 rxISBN10 = regexp.MustCompile(ISBN10) 69 rxISBN13 = regexp.MustCompile(ISBN13) 70 rxUUID3 = regexp.MustCompile(UUID3) 71 rxUUID4 = regexp.MustCompile(UUID4) 72 rxUUID5 = regexp.MustCompile(UUID5) 73 rxUUID = regexp.MustCompile(UUID) 74 rxAlpha = regexp.MustCompile(Alpha) 75 rxAlphanumeric = regexp.MustCompile(Alphanumeric) 76 rxNumeric = regexp.MustCompile(Numeric) 77 rxInt = regexp.MustCompile(Int) 78 rxFloat = regexp.MustCompile(Float) 79 rxHexadecimal = regexp.MustCompile(Hexadecimal) 80 rxHexcolor = regexp.MustCompile(Hexcolor) 81 rxRGBcolor = regexp.MustCompile(RGBcolor) 82 rxASCII = regexp.MustCompile(ASCII) 83 rxPrintableASCII = regexp.MustCompile(PrintableASCII) 84 rxMultibyte = regexp.MustCompile(Multibyte) 85 rxFullWidth = regexp.MustCompile(FullWidth) 86 rxHalfWidth = regexp.MustCompile(HalfWidth) 87 rxBase64 = regexp.MustCompile(Base64) 88 rxDataURI = regexp.MustCompile(DataURI) 89 rxLatitude = regexp.MustCompile(Latitude) 90 rxLongitude = regexp.MustCompile(Longitude) 91 rxDNSName = regexp.MustCompile(DNSName) 92 rxURL = regexp.MustCompile(URL) 93 rxSSN = regexp.MustCompile(SSN) 94 rxWinPath = regexp.MustCompile(WinPath) 95 rxUnixPath = regexp.MustCompile(UnixPath) 96 rxSemver = regexp.MustCompile(Semver) 97 rxHasLowerCase = regexp.MustCompile(hasLowerCase) 98 rxHasUpperCase = regexp.MustCompile(hasUpperCase) 99 rxHasWhitespace = regexp.MustCompile(hasWhitespace) 100 rxHasWhitespaceOnly = regexp.MustCompile(hasWhitespaceOnly) 101) 102