HTML5 form validation pattern alphanumeric with spaces?

Question

I have the following input tag in my html5 form:

    Company Name*
    

        

Answer 1

Use below code for HTML5 validation pattern alphanumeric without / with space :-

for HTML5 validation pattern alphanumeric without space :- onkeypress="return event.charCode >= 48 && event.charCode <= 57 || event.charCode >= 97 && event.charCode <= 122 || event.charCode >= 65 && event.charCode <= 90"

for HTML5 validation pattern alphanumeric with space :-

onkeypress="return event.charCode >= 48 && event.charCode <= 57 || event.charCode >= 97 && event.charCode <= 122 || event.charCode >= 65 && event.charCode <= 90 || event.charCode == 32"