Make jQuery to allow only numbers no space in text field use the code below

// Only Numbers

To Make jQuery allow numbers and spaces in text field use the below code

// Numbers + Spaces

How to make jQuery allow only letters with no spaces use the code below

// Only Letters

Making a text to allow only letters and spaces use the code below

// Letters + Spaces

Using jQuery to validate email address use this code below

// Email Chars

Allowing alphanumeric characters with spaces in text field

// Alpha Numeric Chars + Spaces

Using jQuery to validate latin alpha numeric characters and spaces

// Latin Alpha Numeric Chars + Spaces