Form validation

Question

Hi frnds iam doing my project in servlet so i have to validate the form fields in a relevent manner i have a java page and a jsp page can anyone help me to validate the following
name only accept text
mobile number should be min 10 and max 12 int
text fields only accept letters only

Answer 1

I am not sure about the exact syntax in Java, but I would suggest using RegEx (Regular expressions) for that. You can find more about them here on sololearn. https://www.sololearn.com/learn/9704/?ref=app