android之郵箱註冊正則表達式

 

protected void Check() {

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

Toast.makeText(context, "帳號或密碼不能爲空", Toast.LENGTH_SHORT)

.show();

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

Toast.makeText(context, "帳號不爲郵箱或格式不正確", Toast.LENGTH_LONG)

.show();

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

Toast.makeText(context, "密碼長度應在6～15位！", Toast.LENGTH_LONG)

.show();

} else {

login();

}

}

private boolean EmailFormat(String eMAIL1) {//郵箱判斷正則表達式

Pattern pattern = Pattern

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

Matcher mc = pattern.matcher(USERNAME);

return mc.matches();

}