User specific Validation rule
44421
Formula Specific to Running User?
145489
How to perform entity validation on code level?
133714
How do I use jQuery Validate directly, without the submit button?
37420
Restricting child/field access with security rules
139954
Validation Rule to prevent editing record
64111
Is my JavaScript validating enough?
66132
Make Validation Rule bypass if TRIGGER is run?
86740
Outlook rule for a specific period date
4589
PHP validation/regex for URL
4837
jQuery Validate Plugin - How to create a simple custom rule?
72027
Data Validation for Cloud Page Forms
139879
Validation Rule on picklist under opportunities
20342
Checking the way to stop duplicate names - validation rules or triggers
127526
List column (number) custom validation - whole/half values
79048
Validation Rules: Only the status field can be edit
48801
Laravel 4 custom validation rule - where to extend the validator?
139075
Is there a way to perform validation for apex:inputField?