Need Regular Expression for 30 character limit with no spaces or special characters

[chrish5]

Hi Community,

I am currently using a regular expression of .{1,30} to limit the characters to 30 on a field.  I want to add to it so no spaces (beginning, middle or end) are allowed and no special characters are allowed.  Can anybody help with this?   Thanks!

[Peter Bodelier]

Hi @chrish5,

Try ([A-z]|[0-9]){1,30}

[chrish5]

Hi Peter.  Thanks for your reply.  I tried that but it still allows spaces at the begging and end of the string.  I would like to prohibit spaces anywhere in this 30 character max string.  Any idea on how to accomplish that? 

[Peter Bodelier · Accepted solution]

Hi @chrish5,

This should be better 🙂 

^([A-z]|[0-9]){1,30}$

[chrish5]

Hi Peter, 

When I test this it catches the spaces in the middle, but unfortunately it is still allowing spaces at the beginning and the end of the string.  

Thanks,

Chris