react-native-regex-kit

100+ regex patterns and validators for React Native — email, phone, passwords, dates, financial, social media, and more.

Install

npm install react-native-regex-kit

Usage

Validators

import {
  isEmail,
  isStrongPassword,
  isUaePhoneNumber,
  isHexColor,
} from "react-native-regex-kit";

isEmail("[email protected]"); // true
isStrongPassword("Abcdef1!"); // true
isUaePhoneNumber("501234567"); // true
isHexColor("#FF5733"); // true

Raw patterns

import { EMAIL_PATTERN, US_PHONE_PATTERN } from "react-native-regex-kit";

EMAIL_PATTERN.test("[email protected]");
US_PHONE_PATTERN.test("(555) 123-4567");

Categories

User Information

| Pattern | Validator | | ------------------------- | ------------------ | | EMAIL_PATTERN | isEmail | | USERNAME_PATTERN | isUsername | | FULL_NAME_PATTERN | isFullName | | FIRST_NAME_PATTERN | isFirstName | | LAST_NAME_PATTERN | isLastName | | NICKNAME_PATTERN | isNickname | | DISPLAY_NAME_PATTERN | isDisplayName | | PASSWORD_PATTERN | isPassword | | STRONG_PASSWORD_PATTERN | isStrongPassword | | PIN_4_DIGIT_PATTERN | isPin4Digit | | PIN_6_DIGIT_PATTERN | isPin6Digit |

Contact Information

| Pattern | Validator | | ----------------------------- | ---------------------- | | PHONE_INTERNATIONAL_PATTERN | isPhoneInternational | | UAE_PHONE_PATTERN | isUaePhoneNumber | | US_PHONE_PATTERN | isUsPhoneNumber | | WHATSAPP_NUMBER_PATTERN | isWhatsAppNumber | | FAX_NUMBER_PATTERN | isFaxNumber | | EXTENSION_NUMBER_PATTERN | isExtensionNumber |

Address Information

| Pattern | Validator | | ------------------------- | ----------------- | | POSTAL_CODE_PATTERN | isPostalCode | | UAE_POSTAL_CODE_PATTERN | isUaePostalCode | | US_ZIP_CODE_PATTERN | isUsZipCode | | STREET_ADDRESS_PATTERN | isStreetAddress | | CITY_PATTERN | isCity | | STATE_PATTERN | isState | | COUNTRY_PATTERN | isCountry |

Web & Internet

| Pattern | Validator | | --------------------- | -------------- | | URL_PATTERN | isUrl | | HTTPS_URL_PATTERN | isHttpsUrl | | DOMAIN_NAME_PATTERN | isDomainName | | SUBDOMAIN_PATTERN | isSubdomain | | IPV4_PATTERN | isIpv4 | | IPV6_PATTERN | isIpv6 | | MAC_ADDRESS_PATTERN | isMacAddress | | HOSTNAME_PATTERN | isHostname |

Dates & Times

| Pattern | Validator | | ------------------------- | ---------------- | | DATE_DD_MM_YYYY_PATTERN | isDateDdMmYyyy | | DATE_MM_DD_YYYY_PATTERN | isDateMmDdYyyy | | DATE_YYYY_MM_DD_PATTERN | isDateYyyyMmDd | | TIME_HH_MM_PATTERN | isTimeHhMm | | TIME_HH_MM_SS_PATTERN | isTimeHhMmSs | | TIME_12_HOUR_PATTERN | isTime12Hour | | TIME_24_HOUR_PATTERN | isTime24Hour | | ISO_DATE_PATTERN | isIsoDate | | ISO_DATETIME_PATTERN | isIsoDateTime |

Numbers

| Pattern | Validator | | ----------------------------- | ---------------------- | | INTEGER_PATTERN | isInteger | | POSITIVE_INTEGER_PATTERN | isPositiveInteger | | NEGATIVE_INTEGER_PATTERN | isNegativeInteger | | DECIMAL_NUMBER_PATTERN | isDecimalNumber | | POSITIVE_DECIMAL_PATTERN | isPositiveDecimal | | CURRENCY_AMOUNT_PATTERN | isCurrencyAmount | | PERCENTAGE_PATTERN | isPercentage | | SCIENTIFIC_NOTATION_PATTERN | isScientificNotation |

Financial

| Pattern | Validator | | ----------------------------- | --------------------- | | CREDIT_CARD_NUMBER_PATTERN | isCreditCardNumber | | VISA_CARD_PATTERN | isVisaCard | | MASTERCARD_PATTERN | isMastercard | | AMERICAN_EXPRESS_PATTERN | isAmericanExpress | | CVV_PATTERN | isCvv | | IBAN_PATTERN | isIban | | SWIFT_BIC_PATTERN | isSwiftBic | | BANK_ACCOUNT_NUMBER_PATTERN | isBankAccountNumber |

Identification

| Pattern | Validator | | ------------------------------- | ----------------------- | | UUID_V4_PATTERN | isUuidV4 | | UUID_PATTERN | isUuid | | PASSPORT_NUMBER_PATTERN | isPassportNumber | | NATIONAL_ID_PATTERN | isNationalId | | DRIVER_LICENSE_NUMBER_PATTERN | isDriverLicenseNumber | | TAX_ID_PATTERN | isTaxId |

Colors & Design

| Pattern | Validator | | -------------------- | ------------- | | HEX_COLOR_PATTERN | isHexColor | | RGB_COLOR_PATTERN | isRgbColor | | RGBA_COLOR_PATTERN | isRgbaColor | | HSL_COLOR_PATTERN | isHslColor | | HSLA_COLOR_PATTERN | isHslaColor |

Social Media

| Pattern | Validator | | ------------------------------- | ----------------------- | | INSTAGRAM_USERNAME_PATTERN | isInstagramUsername | | TWITTER_USERNAME_PATTERN | isTwitterUsername | | FACEBOOK_USERNAME_PATTERN | isFacebookUsername | | TIKTOK_USERNAME_PATTERN | isTikTokUsername | | LINKEDIN_PROFILE_URL_PATTERN | isLinkedInProfileUrl | | GITHUB_USERNAME_PATTERN | isGitHubUsername | | GITHUB_REPOSITORY_URL_PATTERN | isGitHubRepositoryUrl |

Programming

| Pattern | Validator | | -------------------------- | ------------------ | | SEMVER_PATTERN | isSemver | | PACKAGE_NAME_PATTERN | isPackageName | | NPM_PACKAGE_NAME_PATTERN | isNpmPackageName | | GIT_BRANCH_NAME_PATTERN | isGitBranchName | | GIT_COMMIT_HASH_PATTERN | isGitCommitHash | | SLUG_PATTERN | isSlug | | CAMEL_CASE_PATTERN | isCamelCase | | PASCAL_CASE_PATTERN | isPascalCase | | SNAKE_CASE_PATTERN | isSnakeCase | | KEBAB_CASE_PATTERN | isKebabCase |

Security

| Pattern | Validator | | ------------------------ | ---------------- | | JWT_TOKEN_PATTERN | isJwtToken | | API_KEY_FORMAT_PATTERN | isApiKeyFormat | | BASE64_STRING_PATTERN | isBase64String | | SHA256_HASH_PATTERN | isSha256Hash | | MD5_HASH_PATTERN | isMd5Hash | | BCRYPT_HASH_PATTERN | isBcryptHash |

Files

| Pattern | Validator | | ------------------------ | ----------------- | | FILE_NAME_PATTERN | isFileName | | IMAGE_FILE_PATTERN | isImageFile | | PDF_FILE_PATTERN | isPdfFile | | VIDEO_FILE_PATTERN | isVideoFile | | AUDIO_FILE_PATTERN | isAudioFile | | FILE_EXTENSION_PATTERN | isFileExtension |

Geographic

| Pattern | Validator | | ----------------------- | ---------------- | | LATITUDE_PATTERN | isLatitude | | LONGITUDE_PATTERN | isLongitude | | COORDINATES_PATTERN | isCoordinates | | COUNTRY_CODE_PATTERN | isCountryCode | | CURRENCY_CODE_PATTERN | isCurrencyCode |

E-commerce

| Pattern | Validator | | ------------------------- | ------------------ | | SKU_PATTERN | isSku | | PRODUCT_CODE_PATTERN | isProductCode | | COUPON_CODE_PATTERN | isCouponCode | | ORDER_NUMBER_PATTERN | isOrderNumber | | TRACKING_NUMBER_PATTERN | isTrackingNumber |

Text Validation

| Pattern | Validator | | ------------------------------------ | ---------------------------- | | ALPHABET_ONLY_PATTERN | isAlphabetOnly | | NUMBERS_ONLY_PATTERN | isNumbersOnly | | ALPHANUMERIC_PATTERN | isAlphanumeric | | ALPHANUMERIC_WITH_SPACES_PATTERN | isAlphanumericWithSpaces | | UPPERCASE_ONLY_PATTERN | isUppercaseOnly | | LOWERCASE_ONLY_PATTERN | isLowercaseOnly | | NO_SPACES_PATTERN | isNoSpaces | | STARTS_WITH_LETTER_PATTERN | isStartsWithLetter | | ENDS_WITH_NUMBER_PATTERN | isEndsWithNumber | | CONTAINS_SPECIAL_CHARACTER_PATTERN | isContainsSpecialCharacter |

Custom validators

import { createValidator, EMAIL_PATTERN } from "react-native-regex-kit";

const isEmailLoose = createValidator(EMAIL_PATTERN, { trim: false });

License

MIT

❤️ Support

Created by Jugal Kishor.

If this project helps you, please consider giving it a ⭐ star, sharing it with others, or contributing to its development.

Contributions, feedback, and suggestions are always welcome.

© 2026–present. MIT License.

🏷️ Related Topics

Regex • RegExp • JavaScript • TypeScript • Node.js • Pattern Matching • String Processing • Text Parsing • Data Validation • npm • Open Source • Developer Tools