Android Utililty Methods Email String Validate

List of utility methods to do Email String Validate

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Description

The list of methods to do Email String Validate are organized into topic(s).

Method

booleanisEmail(String email)
if email is valid 
if (email == null || email.trim().length() == 0)
    return false;
return emailer.matcher(email).matches();
booleanisEmail(String text)
is Email 
if (TextUtils.isEmpty(text)) {
    return false;
Pattern pattern = Pattern.compile(regEmail);
Matcher matcher = pattern.matcher(text);
return matcher.find();
booleanisEmailFormat(String email)
is Email Format 
return EMAIL_ADDRESS_PATTERN.matcher(email).matches();
booleanisValidEmail(CharSequence target)
is Valid Email 
try {
    return android.util.Patterns.EMAIL_ADDRESS.matcher(target)
            .matches();
} catch (NullPointerException exception) {
    return false;
booleanisValidEmailAddress(String email)
Validates an email address 
return email.matches(EMAIL_REGEX) && !email.trim().equals("")
        && !email.startsWith(" ") && !email.endsWith(" ");
booleanisEmailValid(CharSequence email)
is Email Valid 
boolean isValid = false;
String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
Pattern pattern = Pattern.compile(expression,
        Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(email);
if (matcher.matches()) {
    isValid = true;
return isValid;
booleanisEmail(String email)
is Email 
Pattern pattern = Pattern
        .compile("^\\w+([-.]\\w+)*@\\w+([-]\\w+)*\\.(\\w+([-]\\w+)*\\.)*[a-z]{2,3}$");
Matcher matcher = pattern.matcher(email);
if (matcher.matches()) {
    return true;
return false;
BooleanisEmail(String str)
is Email 
Boolean isEmail = false;
String expr = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
if (str.matches(expr)) {
    isEmail = true;
return isEmail;
booleanisEmailValid(String email)
is Email Valid 
String regExpn = "^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@"
        + "((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
        + "[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\."
        + "([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
        + "[0-9]{1,2}|25[0-5]|2[0-4][0-9])){1}|"
        + "([a-zA-Z]+[\\w-]+\\.)+[a-zA-Z]{2,4})$";
CharSequence inputStr = email;
Pattern pattern = Pattern
...
booleancheckMail(String email)
check Mail 
String input = "@sun.com";
Pattern p = Pattern.compile("^\\.|^\\@");
Matcher m = p.matcher(input);
if (m.find())
    return false;
p = Pattern.compile("^www\\.");
m = p.matcher(input);
if (m.find()) {
...