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Regular Expression - Documentation

Introduction

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:

/^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/

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

Client-Side Validation: Ensuring the correctness of MAC addresses entered in web forms.
Network Application Development: Validating MAC addresses in network-related web applications.

Conclusion

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?

MAC address validation ensures that the entered MAC addresses are in the correct format, preventing errors in network management applications.

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

MAC address validation ensures that the entered MAC addresses are in the correct format, preventing errors in network management applications.

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

The regex pattern is /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/. It checks for the standard hex-digit pairs with either colon or hyphen separators.

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

The regex pattern is /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/. It checks for the standard hex-digit pairs with either colon or hyphen separators.

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

Call the isValidMACAddress function and pass the MAC address as a parameter. It will return true if the MAC address is valid and false otherwise.

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

Call the isValidMACAddress function and pass the MAC address as a parameter. It will return true if the MAC address is valid and false otherwise.

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

MAC address regex validation is commonly used for client-side validation in web forms and in network-related web applications.

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

MAC address regex validation is commonly used for client-side validation in web forms and in network-related web applications.

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

Akto's regex validator is a recommended tool for broader and more complex MAC address validations, ensuring accuracy and format compatibility.

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

Akto's regex validator is a recommended tool for broader and more complex MAC address validations, ensuring accuracy and format compatibility.

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