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Improve form input validation (ValidateLength, ValidatePattern, etc.) #417

apetitjean opened this Issue Oct 29, 2018 · 1 comment


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apetitjean commented Oct 29, 2018

Please improve form input validation methods.

I want to use UD as a day-to-day tool but currently with the actual limitations of the forms I cannot. In my scenario, this is a blocker for broadly adoption in the company I work for and the companies I work with.

ValidateLength, and ValidatePattern decorators make the form hang when they are triggered.

I haven't tested all the decorators but what I need is:

  • Length validation,
  • Regex pattern validation,
  • Range validation (~ValidateRange)
  • Null or emptiness (~ValidateNotNullOrEmpty)
  • ValidateSet : worked today in the actual implementation. But it would be great if you could provide a mecanism to make it more dynamic. I mean it's not easy to pass a dynamically constructed list of values.

It would be awesome if the validation occured on the client side.
Thanks Adam! ;-)


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adamdriscoll commented Nov 11, 2018

Check this out:


New-UDInput -Title 'Test' -Endpoint {

It doesn't actually work client side but it will work with any validation attribute. I have a bit more work but would love your feedback. If you want to play with it, try the latest build here:

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