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3 questions
1
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3
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How to state valid characters are alphanumeric and 'all keyboard symbols'?
*Note: I'm using an inline validating message, where if a user enters a char that is not allowed a message is displayed (i.e. "Please only use...")
I've seen this post about stating valid ...
- 113
0
votes
3
answers
2k
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Form validation when the field is optional
I am working on a form where the phone number is optional.
What is the best practice regarding a validation mechanism that checks if it's a correct phone number (over 10 digits):
No form of ...
- 165
5
votes
4
answers
1k
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How to deal with superfluous numbers in input text fields?
I'm working on input textfields for lab assistants, e.g. a textfield to enter a temperature value (in a custom designed UI, not a web-site). Users don't have to enter the Celsius or Fahrenheit unit, ...
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