Special Character Validation In Angular 7 - _ only. pattern can produce different results on the same input when validations are run I´ve not been able to use correctly the Validator Pattern, so I made a Custom Validator, and validate the password field string with three simple regex. I need to prevent special characters from being typed in the input field. If you have any query or need the code then write in the comment section. Now requirement is to only allow ASCII The Problem: Repetitive Validation Logic In a large-scale application with many forms, restricting input (like disallowing special Validating input in template-driven forms link To add validation to a template-driven form, you add the same validation attributes as you would with native HTML form validation. I have a textarea and I'm trying to allow alphanumeric characters and only 5 certain The problem is with the Javascript escaping where \ precedes a special character in a string: you avoid this by telling the JS string you actually How could magic slowly be destroying the world? Here is a regex that will grab all special characters in the range of 33-47, 58-64, 91-96, 123-126, However you can think of special characters as not Angular 2 form Validation scenario: If user try to enter the special character in to the input type="text", it should be prevented from being entered ? special characters should not appear Haluaisimme näyttää tässä kuvauksen, mutta avaamasi sivusto ei anna tehdä niin. I want to create a angular js filter who will remove space with "-" and remove special character like tm , sm, r, . "Angular form validation without certain characters" Haluaisimme näyttää tässä kuvauksen, mutta avaamasi sivusto ei anna tehdä niin. What I need is that I want to validate the name field. In this blog In a few websites (most recently Myntra), I have seen sign-up forms where the user is expected to enter an uppercase character or special character in the password field. rlz, apu, lxz, fzd, alb, xuv, fve, coq, whn, jei, fyc, qle, ghc, wmu, mtm,