So I have this regex intended to let pass all text but those that contain as initial chars the "34" sequence:
The regex is working fine for me in https://regex101.com/r/iN1yN3/2 , check the tests to see the intended behavior.
Any Idea why it isn't working in my form?
<form> <input pattern="^(?!34)(?=([\w]+))" type="text"> <button type="submit">Submit!</button> </form>