![Resolving the "The value 'xyzportal' can only contain alphanumeric characters. A hyphen may be used in the middle of the subdomain; but, not at the beginning or end" Error – SmartVault Resolving the "The value 'xyzportal' can only contain alphanumeric characters. A hyphen may be used in the middle of the subdomain; but, not at the beginning or end" Error – SmartVault](https://help.smartvault.com/hc/article_attachments/360078585573/5efe3f994dd7e.png)
Resolving the "The value 'xyzportal' can only contain alphanumeric characters. A hyphen may be used in the middle of the subdomain; but, not at the beginning or end" Error – SmartVault
Error: The name can only contain underscores and alphanumeric characters. It must begin with a letter and be unique, and must not include spaces, end with an underscore, or contain two consecutive
![How to validate if input in input field has alphanumeric characters only using express-validator ? - GeeksforGeeks How to validate if input in input field has alphanumeric characters only using express-validator ? - GeeksforGeeks](https://media.geeksforgeeks.org/wp-content/uploads/20200720195206/databaseaftersuccessfulSignUp.png)
How to validate if input in input field has alphanumeric characters only using express-validator ? - GeeksforGeeks
![labels - How to clearly state to the User what characters are valid - User Experience Stack Exchange labels - How to clearly state to the User what characters are valid - User Experience Stack Exchange](https://i.stack.imgur.com/3eP50.png)
labels - How to clearly state to the User what characters are valid - User Experience Stack Exchange
![How to validate if input in input field has alphanumeric characters only using express-validator ? - GeeksforGeeks How to validate if input in input field has alphanumeric characters only using express-validator ? - GeeksforGeeks](https://media.geeksforgeeks.org/wp-content/uploads/20200720194900/Attempttosignupwhenusernameinputfieldisnotalphanumeric.png)
How to validate if input in input field has alphanumeric characters only using express-validator ? - GeeksforGeeks
![labels - How to clearly state to the User what characters are valid - User Experience Stack Exchange labels - How to clearly state to the User what characters are valid - User Experience Stack Exchange](https://i.stack.imgur.com/qG5bt.png)