validify-string

Ensure accurate and secure input with our reliable string validation library.

Install

npm i validify-string

Example

import validator from "validify-string";

validator.isPasswordStrong("StrongPass12@#");
validator.isAlpha("Jagroop");

const user = {
    "Username": "YS",
    "Role": "Admin",
    "Email": "[e-mail]"
}
const jwt = validator.generateJWT(user, secret);
console.log(validator.decodeJWT(jwt).payload);

Details

validator.isEmpty(str)
This function will check if string is empty or not.

validator.isIdentical(strOne , strTwo)
This function will check if string One is equal to string Two.

validator.isAlpha(str)
This function will check if string contain Alphabets only.

validator.isAlphaNumeric(str)
This function will check if string is AlphaNumeric string only.

validator.isValidEmail(email)
This function will check if given Input is valid email or not.

validator.countWords(str)
This function will return number of words in a string.

validator.isAvailable(str, word)
This function will check if given word is available in the string or not.

validator.countOccurrences(str, word)
This function will count the occurrence of word in the string.

validator.isPasswordStrong(password)
This function will check if given Input is valid password or not.

validator.isURL(str)
This function will check if given Input is valid URL or not.

validator.isUpperCase(str)
Check if the entire string is in uppercase.

validator.isLowerCase(str)
Check if the entire string is in lowercase.

validator.isDate(str)
Check if the string represents a valid date.

validator.isPalindrome(str)
Check if the string is a palindrome.

validator.isValidPhone(phoneNumber)
This function will check if given phoneNumber (of type string) is valid Phone number or not.

validator.isValidCardNumber(cardNumber)
This function will check if given Card number (of type string) is valid Card Number or not by using Luhn's Algorithm.

validator.isIP(IP Address)
This function will check if string contains a Valid IP address or not.

validator.isAlphanumeric(str)
This function will check if string is alphanumeric or not.

validator.isHash(str)
This function will check if string is a hash or not.

validator.isHexadecimal(str)
This function will check if string is hexadecimal or not.

validator.isBase32(str)
This function will check if string isBase32 or not.

validator.isBase64(str)
This function will check if string isBase64 or not.

validator.isEthereumAddress(str)
This function will check if string isEthereumAddress or not.

validator.isASCII(str)
This function will check if each character of string is in ASCII Value or not.

validator.isStringAContainsB(StringA, StringB)
This function checks if the string A contains the string B

validator.isStringAMatchesB(StringA, StringB)
This function checks if the string A matches the string B

validator.isHexColor
utility function is designed to check whether a given string represents a valid hexadecimal color code

validator.isJSON
utility function is used to check whether a given string is a valid JSON (JavaScript Object Notation) string

validator.isJWT
utility function is used to check whether a given string is a valid JSON Web Token (JWT)

validator.isStringWithoutSpecialCharacters(str)
This function will check the string is Without Special Characters or not. 

validator.startsWithPrefix(str)
This function will Check if a string starts with a specific prefix or not. 

validator.endsWithSuffix(str)
This function will Check if a string end with a specific suffix or not. 

validator.getAlphaNumString(str)
This function returns a random alphanumeric string of length n.

validator.getLeftSubstring(str, int)
This function returns the substring denoted by n positive left-most characters.

validator.encrypt(str)
This function will encrypt the string to a base64 format.

validator.decrypt(str)
This function will decrypt the base64 string to the original string.

validator.generateJWT(payload, secret, expiresInSec)
This function will generate a JSON Web Token (JWT) with the given payload and expiration time using the HMAC SHA256 algorithm.

validator.decodeJWT(token)
This function will decode the given JSON Web Token (JWT) and return the payload.

validator.addUnderscore(str)
This function replace the space to underscore from the string.

validator.removeSpace(str)
This function remove the space from the string .

validator.removeUnderscore(str)
This function remove the underscore from the string . 

validator.removeNumber(str)
This function remove the number from string.

validator.addFullstop(str)
This function replaces space in string with fullstop.

validator.generateRandomString(length)
This function generates the random string of given length.

Contributing Guidelines

Please go through the guidelines below to make your first contribution:

Issues

• Always create an issue before creating a pull request.
• Always ensure that there is no other open issue similar to the one that you want to create.
• Always start working on an issue after getting assigned to it.

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Creating a Pull Request

• Fork the repository

• Clone the forked repository to your local machine:

  git clone https://github.com/<github-username>/validify-string.git

• Navigate to the project directory:

  cd validify-string

• Install all dependencies:

  npm install

• Create and switch to a new branch:

  git switch -c <branch>

• Launch the application:

  npm run build

• Make changes to the project and stage them:

  git add .

• Commit the changes:

  git commit -m "<message>"

• Push the changes to the correponding remote branch:

  git push origin <branch>

• Create a pull request!

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