regexes.go 14 KB

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  1. package validator
  2. import (
  3. "regexp"
  4. "sync"
  5. )
  6. const (
  7. alphaRegexString = "^[a-zA-Z]+$"
  8. alphaNumericRegexString = "^[a-zA-Z0-9]+$"
  9. alphaUnicodeRegexString = "^[\\p{L}]+$"
  10. alphaUnicodeNumericRegexString = "^[\\p{L}\\p{N}]+$"
  11. numericRegexString = "^[-+]?[0-9]+(?:\\.[0-9]+)?$"
  12. numberRegexString = "^[0-9]+$"
  13. hexadecimalRegexString = "^(0[xX])?[0-9a-fA-F]+$"
  14. hexColorRegexString = "^#(?:[0-9a-fA-F]{3}|[0-9a-fA-F]{4}|[0-9a-fA-F]{6}|[0-9a-fA-F]{8})$"
  15. rgbRegexString = "^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])|(?: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*\\)$"
  16. rgbaRegexString = "^rgba\\(\\s*(?:(?:0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(?:0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(?:0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])|(?:0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])%\\s*,\\s*(?:0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])%\\s*,\\s*(?:0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])%)\\s*,\\s*(?:(?:0.[1-9]*)|[01])\\s*\\)$"
  17. hslRegexString = "^hsl\\(\\s*(?:0|[1-9]\\d?|[12]\\d\\d|3[0-5]\\d|360)\\s*,\\s*(?:(?:0|[1-9]\\d?|100)%)\\s*,\\s*(?:(?:0|[1-9]\\d?|100)%)\\s*\\)$"
  18. hslaRegexString = "^hsla\\(\\s*(?:0|[1-9]\\d?|[12]\\d\\d|3[0-5]\\d|360)\\s*,\\s*(?:(?:0|[1-9]\\d?|100)%)\\s*,\\s*(?:(?:0|[1-9]\\d?|100)%)\\s*,\\s*(?:(?:0.[1-9]*)|[01])\\s*\\)$"
  19. emailRegexString = "^(?:(?:(?:(?:[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}])))\\.?$"
  20. e164RegexString = "^\\+[1-9]?[0-9]{7,14}$"
  21. base32RegexString = "^(?:[A-Z2-7]{8})*(?:[A-Z2-7]{2}={6}|[A-Z2-7]{4}={4}|[A-Z2-7]{5}={3}|[A-Z2-7]{7}=|[A-Z2-7]{8})$"
  22. base64RegexString = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$"
  23. base64URLRegexString = "^(?:[A-Za-z0-9-_]{4})*(?:[A-Za-z0-9-_]{2}==|[A-Za-z0-9-_]{3}=|[A-Za-z0-9-_]{4})$"
  24. base64RawURLRegexString = "^(?:[A-Za-z0-9-_]{4})*(?:[A-Za-z0-9-_]{2,4})$"
  25. iSBN10RegexString = "^(?:[0-9]{9}X|[0-9]{10})$"
  26. iSBN13RegexString = "^(?:(?:97(?:8|9))[0-9]{10})$"
  27. iSSNRegexString = "^(?:[0-9]{4}-[0-9]{3}[0-9X])$"
  28. uUID3RegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-3[0-9a-f]{3}-[0-9a-f]{4}-[0-9a-f]{12}$"
  29. uUID4RegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
  30. uUID5RegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-5[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
  31. uUIDRegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
  32. uUID3RFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-3[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
  33. uUID4RFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$"
  34. uUID5RFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-5[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$"
  35. uUIDRFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
  36. uLIDRegexString = "^(?i)[A-HJKMNP-TV-Z0-9]{26}$"
  37. md4RegexString = "^[0-9a-f]{32}$"
  38. md5RegexString = "^[0-9a-f]{32}$"
  39. sha256RegexString = "^[0-9a-f]{64}$"
  40. sha384RegexString = "^[0-9a-f]{96}$"
  41. sha512RegexString = "^[0-9a-f]{128}$"
  42. ripemd128RegexString = "^[0-9a-f]{32}$"
  43. ripemd160RegexString = "^[0-9a-f]{40}$"
  44. tiger128RegexString = "^[0-9a-f]{32}$"
  45. tiger160RegexString = "^[0-9a-f]{40}$"
  46. tiger192RegexString = "^[0-9a-f]{48}$"
  47. aSCIIRegexString = "^[\x00-\x7F]*$"
  48. printableASCIIRegexString = "^[\x20-\x7E]*$"
  49. multibyteRegexString = "[^\x00-\x7F]"
  50. dataURIRegexString = `^data:((?:\w+\/(?:([^;]|;[^;]).)+)?)`
  51. latitudeRegexString = "^[-+]?([1-8]?\\d(\\.\\d+)?|90(\\.0+)?)$"
  52. longitudeRegexString = "^[-+]?(180(\\.0+)?|((1[0-7]\\d)|([1-9]?\\d))(\\.\\d+)?)$"
  53. sSNRegexString = `^[0-9]{3}[ -]?(0[1-9]|[1-9][0-9])[ -]?([1-9][0-9]{3}|[0-9][1-9][0-9]{2}|[0-9]{2}[1-9][0-9]|[0-9]{3}[1-9])$`
  54. hostnameRegexStringRFC952 = `^[a-zA-Z]([a-zA-Z0-9\-]+[\.]?)*[a-zA-Z0-9]$` // https://tools.ietf.org/html/rfc952
  55. hostnameRegexStringRFC1123 = `^([a-zA-Z0-9]{1}[a-zA-Z0-9-]{0,62}){1}(\.[a-zA-Z0-9]{1}[a-zA-Z0-9-]{0,62})*?$` // accepts hostname starting with a digit https://tools.ietf.org/html/rfc1123
  56. fqdnRegexStringRFC1123 = `^([a-zA-Z0-9]{1}[a-zA-Z0-9-]{0,62})(\.[a-zA-Z0-9]{1}[a-zA-Z0-9-]{0,62})*?(\.[a-zA-Z]{1}[a-zA-Z0-9]{0,62})\.?$` // same as hostnameRegexStringRFC1123 but must contain a non numerical TLD (possibly ending with '.')
  57. btcAddressRegexString = `^[13][a-km-zA-HJ-NP-Z1-9]{25,34}$` // bitcoin address
  58. btcAddressUpperRegexStringBech32 = `^BC1[02-9AC-HJ-NP-Z]{7,76}$` // bitcoin bech32 address https://en.bitcoin.it/wiki/Bech32
  59. btcAddressLowerRegexStringBech32 = `^bc1[02-9ac-hj-np-z]{7,76}$` // bitcoin bech32 address https://en.bitcoin.it/wiki/Bech32
  60. ethAddressRegexString = `^0x[0-9a-fA-F]{40}$`
  61. ethAddressUpperRegexString = `^0x[0-9A-F]{40}$`
  62. ethAddressLowerRegexString = `^0x[0-9a-f]{40}$`
  63. uRLEncodedRegexString = `^(?:[^%]|%[0-9A-Fa-f]{2})*$`
  64. hTMLEncodedRegexString = `&#[x]?([0-9a-fA-F]{2})|(&gt)|(&lt)|(&quot)|(&amp)+[;]?`
  65. hTMLRegexString = `<[/]?([a-zA-Z]+).*?>`
  66. jWTRegexString = "^[A-Za-z0-9-_]+\\.[A-Za-z0-9-_]+\\.[A-Za-z0-9-_]*$"
  67. splitParamsRegexString = `'[^']*'|\S+`
  68. bicRegexString = `^[A-Za-z]{6}[A-Za-z0-9]{2}([A-Za-z0-9]{3})?$`
  69. semverRegexString = `^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$` // numbered capture groups https://semver.org/
  70. dnsRegexStringRFC1035Label = "^[a-z]([-a-z0-9]*[a-z0-9])?$"
  71. cveRegexString = `^CVE-(1999|2\d{3})-(0[^0]\d{2}|0\d[^0]\d{1}|0\d{2}[^0]|[1-9]{1}\d{3,})$` // CVE Format Id https://cve.mitre.org/cve/identifiers/syntaxchange.html
  72. mongodbIdRegexString = "^[a-f\\d]{24}$"
  73. mongodbConnStringRegexString = "^mongodb(\\+srv)?:\\/\\/(([a-zA-Z\\d]+):([a-zA-Z\\d$:\\/?#\\[\\]@]+)@)?(([a-z\\d.-]+)(:[\\d]+)?)((,(([a-z\\d.-]+)(:(\\d+))?))*)?(\\/[a-zA-Z-_]{1,64})?(\\?(([a-zA-Z]+)=([a-zA-Z\\d]+))(&(([a-zA-Z\\d]+)=([a-zA-Z\\d]+))?)*)?$"
  74. cronRegexString = `(@(annually|yearly|monthly|weekly|daily|hourly|reboot))|(@every (\d+(ns|us|µs|ms|s|m|h))+)|((((\d+,)+\d+|((\*|\d+)(\/|-)\d+)|\d+|\*) ?){5,7})`
  75. spicedbIDRegexString = `^(([a-zA-Z0-9/_|\-=+]{1,})|\*)$`
  76. spicedbPermissionRegexString = "^([a-z][a-z0-9_]{1,62}[a-z0-9])?$"
  77. spicedbTypeRegexString = "^([a-z][a-z0-9_]{1,61}[a-z0-9]/)?[a-z][a-z0-9_]{1,62}[a-z0-9]$"
  78. einRegexString = "^(\\d{2}-\\d{7})$"
  79. )
  80. func lazyRegexCompile(str string) func() *regexp.Regexp {
  81. var regex *regexp.Regexp
  82. var once sync.Once
  83. return func() *regexp.Regexp {
  84. once.Do(func() {
  85. regex = regexp.MustCompile(str)
  86. })
  87. return regex
  88. }
  89. }
  90. var (
  91. alphaRegex = lazyRegexCompile(alphaRegexString)
  92. alphaNumericRegex = lazyRegexCompile(alphaNumericRegexString)
  93. alphaUnicodeRegex = lazyRegexCompile(alphaUnicodeRegexString)
  94. alphaUnicodeNumericRegex = lazyRegexCompile(alphaUnicodeNumericRegexString)
  95. numericRegex = lazyRegexCompile(numericRegexString)
  96. numberRegex = lazyRegexCompile(numberRegexString)
  97. hexadecimalRegex = lazyRegexCompile(hexadecimalRegexString)
  98. hexColorRegex = lazyRegexCompile(hexColorRegexString)
  99. rgbRegex = lazyRegexCompile(rgbRegexString)
  100. rgbaRegex = lazyRegexCompile(rgbaRegexString)
  101. hslRegex = lazyRegexCompile(hslRegexString)
  102. hslaRegex = lazyRegexCompile(hslaRegexString)
  103. e164Regex = lazyRegexCompile(e164RegexString)
  104. emailRegex = lazyRegexCompile(emailRegexString)
  105. base32Regex = lazyRegexCompile(base32RegexString)
  106. base64Regex = lazyRegexCompile(base64RegexString)
  107. base64URLRegex = lazyRegexCompile(base64URLRegexString)
  108. base64RawURLRegex = lazyRegexCompile(base64RawURLRegexString)
  109. iSBN10Regex = lazyRegexCompile(iSBN10RegexString)
  110. iSBN13Regex = lazyRegexCompile(iSBN13RegexString)
  111. iSSNRegex = lazyRegexCompile(iSSNRegexString)
  112. uUID3Regex = lazyRegexCompile(uUID3RegexString)
  113. uUID4Regex = lazyRegexCompile(uUID4RegexString)
  114. uUID5Regex = lazyRegexCompile(uUID5RegexString)
  115. uUIDRegex = lazyRegexCompile(uUIDRegexString)
  116. uUID3RFC4122Regex = lazyRegexCompile(uUID3RFC4122RegexString)
  117. uUID4RFC4122Regex = lazyRegexCompile(uUID4RFC4122RegexString)
  118. uUID5RFC4122Regex = lazyRegexCompile(uUID5RFC4122RegexString)
  119. uUIDRFC4122Regex = lazyRegexCompile(uUIDRFC4122RegexString)
  120. uLIDRegex = lazyRegexCompile(uLIDRegexString)
  121. md4Regex = lazyRegexCompile(md4RegexString)
  122. md5Regex = lazyRegexCompile(md5RegexString)
  123. sha256Regex = lazyRegexCompile(sha256RegexString)
  124. sha384Regex = lazyRegexCompile(sha384RegexString)
  125. sha512Regex = lazyRegexCompile(sha512RegexString)
  126. ripemd128Regex = lazyRegexCompile(ripemd128RegexString)
  127. ripemd160Regex = lazyRegexCompile(ripemd160RegexString)
  128. tiger128Regex = lazyRegexCompile(tiger128RegexString)
  129. tiger160Regex = lazyRegexCompile(tiger160RegexString)
  130. tiger192Regex = lazyRegexCompile(tiger192RegexString)
  131. aSCIIRegex = lazyRegexCompile(aSCIIRegexString)
  132. printableASCIIRegex = lazyRegexCompile(printableASCIIRegexString)
  133. multibyteRegex = lazyRegexCompile(multibyteRegexString)
  134. dataURIRegex = lazyRegexCompile(dataURIRegexString)
  135. latitudeRegex = lazyRegexCompile(latitudeRegexString)
  136. longitudeRegex = lazyRegexCompile(longitudeRegexString)
  137. sSNRegex = lazyRegexCompile(sSNRegexString)
  138. hostnameRegexRFC952 = lazyRegexCompile(hostnameRegexStringRFC952)
  139. hostnameRegexRFC1123 = lazyRegexCompile(hostnameRegexStringRFC1123)
  140. fqdnRegexRFC1123 = lazyRegexCompile(fqdnRegexStringRFC1123)
  141. btcAddressRegex = lazyRegexCompile(btcAddressRegexString)
  142. btcUpperAddressRegexBech32 = lazyRegexCompile(btcAddressUpperRegexStringBech32)
  143. btcLowerAddressRegexBech32 = lazyRegexCompile(btcAddressLowerRegexStringBech32)
  144. ethAddressRegex = lazyRegexCompile(ethAddressRegexString)
  145. uRLEncodedRegex = lazyRegexCompile(uRLEncodedRegexString)
  146. hTMLEncodedRegex = lazyRegexCompile(hTMLEncodedRegexString)
  147. hTMLRegex = lazyRegexCompile(hTMLRegexString)
  148. jWTRegex = lazyRegexCompile(jWTRegexString)
  149. splitParamsRegex = lazyRegexCompile(splitParamsRegexString)
  150. bicRegex = lazyRegexCompile(bicRegexString)
  151. semverRegex = lazyRegexCompile(semverRegexString)
  152. dnsRegexRFC1035Label = lazyRegexCompile(dnsRegexStringRFC1035Label)
  153. cveRegex = lazyRegexCompile(cveRegexString)
  154. mongodbIdRegex = lazyRegexCompile(mongodbIdRegexString)
  155. mongodbConnectionRegex = lazyRegexCompile(mongodbConnStringRegexString)
  156. cronRegex = lazyRegexCompile(cronRegexString)
  157. spicedbIDRegex = lazyRegexCompile(spicedbIDRegexString)
  158. spicedbPermissionRegex = lazyRegexCompile(spicedbPermissionRegexString)
  159. spicedbTypeRegex = lazyRegexCompile(spicedbTypeRegexString)
  160. einRegex = lazyRegexCompile(einRegexString)
  161. )