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For questions related to Sitecore item and field validation rules within the Sitecore Client

6 votes

Special Characters and Spaces in Display Name

As such, you can enforce its value using normal Sitecore validation and workflow tools. … Additional info: Using Sitecore Field Validators Validate an item Sitecore Validation Examples …
Mark Cassidy's user avatar
  • 25.4k
3 votes

The constructor to deserialize an object of type is not found

Which then must mean, the likely reason you are not getting the validation errors you are expecting is in the wiring. …
Mark Cassidy's user avatar
  • 25.4k
7 votes

How do i validate an image for byte-size in Content Editor?

The setting Well there isn't really a built in validator for this; although you could build one. But you can - generally - restrict the size of media in your solution. It is controlled via this settin …
Mark Cassidy's user avatar
  • 25.4k
1 vote

Item validator access already stored data instead of newly inputed data

Not if you abort the validation with a FatalError like described elsewhere here. … Like this, for example: protected virtual Item GetStoredItem() { return Database.GetItem(this.itemUri); } (parameter guarding omitted) And if you then decide to throw a Fatal validation error on …
Mark Cassidy's user avatar
  • 25.4k
2 votes
Accepted

How can I define a limit on number of items added to a Multi-list

While not intuitive, you can do this with the Regular Expression validator. Add one to your field. Use the expression ^({[^}]+}\|?){2,5}$ (2,5) is thw boundaries you mention in your question. Source: …
Mark Cassidy's user avatar
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