Wpf examples using vb.net c# code - wpf tutorial using vb.net and c# - wpf example codes

//Email pattern validation In this example the email is validated and returns True or False package com.***; import java.util.regex.Matcher; import java.util.regex.Pattern; import android.util.Log; public class EmailValidator {            private Pattern pattern;            private Matcher matcher;            private static final String EMAIL_PATTERN = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";                public Boolean validate(String email)            {                          pattern = Pattern.compile(EMAIL_PATTERN);                          matcher = pattern.matcher(email);         ...