export const cuid = /^[cC][^\s-]{8,}$/; export const cuid2 = /^[0-9a-z]+$/; export const ulid = /^[0-9A-HJKMNP-TV-Za-hjkmnp-tv-z]{26}$/; export const xid = /^[0-9a-vA-V]{20}$/; export const ksuid = /^[A-Za-z0-9]{27}$/; export const nanoid = /^[a-zA-Z0-9_-]{21}$/; /** ISO 8601-1 duration regex. Does not support the 8601-2 extensions like negative durations or fractional/negative components. */ export const duration = /^P(?:(\d+W)|(?!.*W)(?=\d|T\d)(\d+Y)?(\d+M)?(\d+D)?(T(?=\d)(\d+H)?(\d+M)?(\d+([.,]\d+)?S)?)?)$/; /** Implements ISO 8601-2 extensions like explicit +- prefixes, mixing weeks with other units, and fractional/negative components. */ export const extendedDuration = /^[-+]?P(?!$)(?:(?:[-+]?\d+Y)|(?:[-+]?\d+[.,]\d+Y$))?(?:(?:[-+]?\d+M)|(?:[-+]?\d+[.,]\d+M$))?(?:(?:[-+]?\d+W)|(?:[-+]?\d+[.,]\d+W$))?(?:(?:[-+]?\d+D)|(?:[-+]?\d+[.,]\d+D$))?(?:T(?=[\d+-])(?:(?:[-+]?\d+H)|(?:[-+]?\d+[.,]\d+H$))?(?:(?:[-+]?\d+M)|(?:[-+]?\d+[.,]\d+M$))?(?:[-+]?\d+(?:[.,]\d+)?S)?)??$/; /** A regex for any UUID-like identifier: 8-4-4-4-12 hex pattern */ export const guid = /^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$/; /** Returns a regex for validating an RFC 9562/4122 UUID. * * @param version Optionally specify a version 1-8. If no version is specified, all versions are supported. */ export const uuid = (version) => { if (!version) return /^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000)$/; return new RegExp(`^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-${version}[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12})$`); }; export const uuid4 = /*@__PURE__*/ uuid(4); export const uuid6 = /*@__PURE__*/ uuid(6); export const uuid7 = /*@__PURE__*/ uuid(7); /** Practical email validation */ export const email = /^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$/; /** Equivalent to the HTML5 input[type=email] validation implemented by browsers. Source: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/email */ export const html5Email = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/; /** The classic emailregex.com regex for RFC 5322-compliant emails */ export const rfc5322Email = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/; /** A loose regex that allows Unicode characters, enforces length limits, and that's about it. */ export const unicodeEmail = /^[^\s@"]{1,64}@[^\s@]{1,255}$/u; export const idnEmail = /^[^\s@"]{1,64}@[^\s@]{1,255}$/u; export const browserEmail = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/; // from https://thekevinscott.com/emojis-in-javascript/#writing-a-regular-expression const _emoji = `^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$`; export function emoji() { return new RegExp(_emoji, "u"); } export const ipv4 = /^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$/; export const ipv6 = /^(([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|::|([0-9a-fA-F]{1,4})?::([0-9a-fA-F]{1,4}:?){0,6})$/; export const cidrv4 = /^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\/([0-9]|[1-2][0-9]|3[0-2])$/; export const cidrv6 = /^(([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|::|([0-9a-fA-F]{1,4})?::([0-9a-fA-F]{1,4}:?){0,6})\/(12[0-8]|1[01][0-9]|[1-9]?[0-9])$/; // https://stackoverflow.com/questions/7860392/determine-if-string-is-in-base64-using-javascript export const base64 = /^$|^(?:[0-9a-zA-Z+/]{4})*(?:(?:[0-9a-zA-Z+/]{2}==)|(?:[0-9a-zA-Z+/]{3}=))?$/; export const base64url = /^[A-Za-z0-9_-]*$/; // based on https://stackoverflow.com/questions/106179/regular-expression-to-match-dns-hostname-or-ip-address // export const hostname: RegExp = /^([a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]+$/; export const hostname = /^(?=.{1,253}\.?$)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[-0-9a-zA-Z]{0,61}[0-9a-zA-Z])?)*\.?$/; export const domain = /^([a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$/; // https://blog.stevenlevithan.com/archives/validate-phone-number#r4-3 (regex sans spaces) export const e164 = /^\+(?:[0-9]){6,14}[0-9]$/; // const dateSource = `((\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\\d|3[01])|(0[469]|11)-(0[1-9]|[12]\\d|30)|(02)-(0[1-9]|1\\d|2[0-8])))`; const dateSource = `(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))`; export const date = /*@__PURE__*/ new RegExp(`^${dateSource}$`); function timeSource(args) { const hhmm = `(?:[01]\\d|2[0-3]):[0-5]\\d`; const regex = typeof args.precision === "number" ? args.precision === -1 ? `${hhmm}` : args.precision === 0 ? `${hhmm}:[0-5]\\d` : `${hhmm}:[0-5]\\d\\.\\d{${args.precision}}` : `${hhmm}(?::[0-5]\\d(?:\\.\\d+)?)?`; return regex; } export function time(args) { return new RegExp(`^${timeSource(args)}$`); } // Adapted from https://stackoverflow.com/a/3143231 export function datetime(args) { const time = timeSource({ precision: args.precision }); const opts = ["Z"]; if (args.local) opts.push(""); // if (args.offset) opts.push(`([+-]\\d{2}:\\d{2})`); if (args.offset) opts.push(`([+-](?:[01]\\d|2[0-3]):[0-5]\\d)`); const timeRegex = `${time}(?:${opts.join("|")})`; return new RegExp(`^${dateSource}T(?:${timeRegex})$`); } export const string = (params) => { const regex = params ? `[\\s\\S]{${params?.minimum ?? 0},${params?.maximum ?? ""}}` : `[\\s\\S]*`; return new RegExp(`^${regex}$`); }; export const bigint = /^\d+n?$/; export const integer = /^\d+$/; export const number = /^-?\d+(?:\.\d+)?/i; export const boolean = /true|false/i; const _null = /null/i; export { _null as null }; const _undefined = /undefined/i; export { _undefined as undefined }; // regex for string with no uppercase letters export const lowercase = /^[^A-Z]*$/; // regex for string with no lowercase letters export const uppercase = /^[^a-z]*$/;