In jsp application, i am checking username and password, when entering whitespace in username means it didnt show the error, how to validate it?
In jsp application, i am checking username and password, when entering whitespace in username
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In jsp application, i am checking username and password, when entering whitespace in username means it didnt show the error, how to validate it?
Why do you do it in the back end, you can use a javascrit regex :
This will permit A-Z, a-z, 0-9 and ., and at most one @