10/9/2023 0 Comments Empire earth 3 ita![]() To get a string contains only letters and numbers (i.e. Javascript function to check if a field input contains letters and numbers only // Function to check letters and numbers ![]() You can write a JavaScript form validation script to check whether the required field(s) in the HTML form contains only letters and numbers. Sometimes situations arise ( suppose a user id, password or a code) when the user should fill a single or more than one field with alphabet characters (A-Z or a-z) and numbers (0-9) in an HTML form.
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