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Mac Address Regex Javascript Validator

Mac Address Regex Javascript Validator

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Regular Expression - Documentation

Regular Expression - Documentation


MAC address validation in JavaScript is often required in web-based network management tools and applications. JavaScript regex can efficiently validate the format of MAC addresses.

What is MAC Address Regex?

The regex pattern for MAC addresses in JavaScript checks for the standard hex-digit pairs.

The MAC Address Regex Pattern

  • Pattern:

  • This pattern is designed to match MAC addresses with either colon or hyphen separators.

How to Validate MAC Addresses in JavaScript?

To validate MAC addresses in JavaScript:

function isValidMACAddress(mac) {
    const regex = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/;
    return regex.test(mac);

console.log(isValidMACAddress("01:23:45:67:89:AB")); // true or false

Uses of MAC Address Regex Validation

  1. Client-Side Validation: Ensuring the correctness of MAC addresses entered in web forms.

  2. Network Application Development: Validating MAC addresses in network-related web applications.


JavaScript's regex capability simplifies MAC address validation in web environments. For broader and more complex MAC address validations, Akto's regex validator provides an ideal tool for ensuring accuracy and format compatibility.

Frequently asked questions

Why is MAC address validation important in web-based network management tools?

Q: What is the regex pattern for validating MAC addresses in JavaScript?

How can I use the isValidMACAddress function to validate a MAC address in JavaScript?

What are the uses of MAC address regex validation in web development?

For more complex MAC address validations, what tool can be used?

Mac Address Regex Javascript Validator



Mac Address Regex Javascript Validator