Validate a username against WhatsApp's local rules
The @ prefix is stripped before validating.
@
validateUsername('someusername'); // { isValid: true }validateUsername('ab'); // { isValid: false, errorType: 'INVALID_LENGTH' } Copy
validateUsername('someusername'); // { isValid: true }validateUsername('ab'); // { isValid: false, errorType: 'INVALID_LENGTH' }
Validate a username against WhatsApp's local rules
The
@prefix is stripped before validating.