using System.ComponentModel.DataAnnotations; using System.Numerics; using System.Text; using System.Text.RegularExpressions; namespace NejCommon.Validation; public class StandardDescriptionAttribute : RegexAttribute{ public StandardDescriptionAttribute() : base(@"\A[\p{L}\p{M}\p{N}\p{P}\p{Zs}&+@€$%]+\z","Brown fox's - jumping over \"lazy\"(dogs).", "Only normal characters are allowed, no emjos, etc."){ } }