Android之邮箱注册正则表达式

protected void Check() {

if (USERNAME.equals("") || PASSWORD.equals("")) {

Toast.makeText(context, "账号或密码不能为空", Toast.LENGTH_SHORT)

.show();

} else if (!EmailFormat(USERNAME) || USERNAME.length() > 31) {

Toast.makeText(context, "账号不为邮箱或格式不正确", Toast.LENGTH_LONG)

.show();

} else if (PASSWORD.length() < 6 || PASSWORD.length() > 15) { 

Toast.makeText(context, "密码长度应在6～15位！", Toast.LENGTH_LONG)

.show();

} else {

login();

}

}

private boolean EmailFormat(String eMAIL1) {//邮箱判断正则表达式

Pattern pattern = Pattern

.compile("\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*");

Matcher mc = pattern.matcher(USERNAME);

return mc.matches();

}