regex-string-kit

A simple, lightweight regex utility toolkit for cleaning, validating, and formatting strings in JavaScript/TypeScript.

🚀 No need to write complex regex again and again — just use these ready-made methods.

✨ Features

• 🔤 String Cleaning: remove spaces, numbers, letters, or special characters
• ✅ Validation: check if string is email, phone, strong password, etc.
• 📦 Extraction: extract numbers or emails from text
• 🎨 Formatting: capitalize, normalize whitespace, mask emails/phone numbers, reverse words

📦 Installation

npm install regex-string-kit

or

yarn add regex-string-kit

How to use

• ##JavaScript

import RegexToolkit from "regex-string-kit";

or

const RegexToolkit = require("regex-string-kit");

console.log(RegexToolkit.removeSpaces("hello   world")); // "helloworld"
console.log(RegexToolkit.isEmail("[email protected]"));     // true
console.log(RegexToolkit.extractNumbers("Price is 1200 Rs")); // ["1200"]

• TypeScript

import RegexToolkit from "regex-string-kit";

const str = "   Hello   World!   ";
console.log(RegexToolkit.normalizeWhitespace(str)); // "Hello World!"

🛠 Available Methods

• removeSpaces(str)

• removeExtraSpaces(str)

• removeSpecialChars(str)

• removeLetters(str)

• removeNumbers(str)

• normalizeWhitespace(str)

• capitalizeWords(str)

• capitalizeFirst(str)

• reverseEachWord(str)

• isNumeric(str)

• isAlpha(str)

• isAlphaNumeric(str)

• isEmail(str)

• isPhoneNumbers(str)

• isUrl(str)

• isHexColor(str)

• isStrongPassword(str)

• extractNumbers(str)

• extractEmails(str)

• maskEmail(str)

• maskPhoneNumber(str)

📄 Example

console.log(RegexToolkit.maskEmail("[email protected]"));
// Output: he***@gmail.com

console.log(RegexToolkit.maskPhoneNumber("9876543210"));
// Output: ******3210