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Validation in text field to not include special characters

  • August 21, 2025
  • 1 reply
  • 44 views
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Hello!

Is it possible to prevent users from entering in characters such as “~” or “\” or “/” in a text field? I see that you can use a regular expression but am having a bit of a tough time getting this specifically…

 

I do need to be able to allow the “$” to the field though...

 

Thanks in advance!  

Best answer by bamaeric

Check out this post: Validating a form control to not allow Special characters | Community

Below are some Regular Expressions to try:

  1. To allow only alphanumeric characters and spaces: ^[a-zA-Z0-9 ]*$
  2. To allow only text characters (no numbers or special characters): ^([a-z]|[A-Z])*$

1 reply

bamaeric
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  • bamaeric
  • Apprentice
  • Answer
  • August 21, 2025

Check out this post: Validating a form control to not allow Special characters | Community

Below are some Regular Expressions to try:

  1. To allow only alphanumeric characters and spaces: ^[a-zA-Z0-9 ]*$
  2. To allow only text characters (no numbers or special characters): ^([a-z]|[A-Z])*$
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