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)
is Email 
if (email == null || email.trim().length() == 0)
    return false;
return emailer.matcher(email).matches();
booleanisEmail(String s)
is Email 
if (s == null) {
    return true;
return Pattern.matches(EMAIL_REG_EXPRESSION, s);
booleanisEmailFormat(String email)
is Email Format 
boolean tag = true;
final String pattern1 = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
final Pattern pattern = Pattern.compile(pattern1);
final Matcher mat = pattern.matcher(email);
if (!mat.find()) {
    tag = false;
return tag;
...
booleanisEmail(String s)
is Email 
if (s == null) {
    return true;
return Pattern.matches(EMAIL_REG_EXPRESSION, s);
booleanisEmail(String str)
is Email 
String pattern1 = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
Pattern pattern = Pattern.compile(pattern1);
Matcher mat = pattern.matcher(str);
return !mat.find();
booleanisValidEmail(String inputStr)
is Valid Email 
boolean rtn = false;
if (inputStr == null) {
    return rtn;
String regex = "^[_a-z0-9-]+(.[_a-z0-9-]+)*@(?:\\w+\\.)+\\w+$";
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(inputStr);
if (m.matches()) {
...
booleanisEMail(String str)
is E Mail 
Pattern pattern = Pattern
        .compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");
Matcher isEMail = pattern.matcher(str);
if (!isEMail.matches()) {
    return false;
return true;
booleancheckEmail(String email)
check Email 
Pattern pattern = Pattern
        .compile("^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");
Matcher matcher = pattern.matcher(email);
return matcher.matches();
booleanisEmail(String email)
is Email 
String str = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(email);
return m.matches();
booleanisEmail(String email)
is Email 
String format = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
Pattern pattern = Pattern.compile(format);
Matcher matcher = pattern.matcher(email);
return matcher.find();