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asp.net mvc - Submit form though data-val-regex errors are popped for an optional field using jquery.validate.unobtrusive - Stack Overflow
Unable to add regex having . or ' after an ajax call. in validation using unobtrusive js and ValidationAttribute · Issue #12186 · dotnet/AspNetCore.Docs · GitHub
Add support for Unicode property escapes in regex validation · Issue #142 · aspnet/jquery-validation-unobtrusive · GitHub
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