Android Utililty Methods String Sub String Get

List of utility methods to do String Sub String Get

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Description

The list of methods to do String Sub String Get are organized into topic(s).

Method

StringsubString(String str, int length)
sub String 
if (isBlank(str)) {
    return "";
} else if (str.length() > length) {
    return str.substring(0, length);
} else {
    return str;
StringsubInStringByFlag(String str, String flag)
sub In String By Flag 
if (isBlank(str))
    return null;
StringBuffer sb = new StringBuffer(str);
int index = str.lastIndexOf(flag);
if (index < 0) {
    return str;
} else {
    str = sb.delete(sb.length() - flag.length(), sb.length())
...
StringsubstringWithoutException(String text, int startIndex, int endIndex)
substring Without Exception 
if (isNullOrEmpty(text) || startIndex >= text.length()) {
    return "";
final StringBuilder stringBuilder = new StringBuilder();
final int realEndIndex = endIndex >= text.length() ? text.length() - 1
        : endIndex;
for (int i = startIndex; i <= realEndIndex; i++) {
    stringBuilder.append(text.charAt(i));
...
StringsubString(String str)
sub String 
str = Html.fromHtml(str, null, null).toString();
String temp = String.valueOf(str.charAt(str.length() - 1));
if (temp.matches(E1)) {
    return str.substring(0, str.length() - 2);
return str.substring(0, str.length() - 1);
Stringreplace(String s, String oldSub, String newSub)
replace 
if ((s == null) || (oldSub == null) || (newSub == null)) {
    return null;
int y = s.indexOf(oldSub);
if (y >= 0) {
    StringBuffer sb = new StringBuffer();
    int length = oldSub.length();
    int x = 0;
...
Stringreplace(String s, String[] oldSubs, String[] newSubs)
replace 
if ((s == null) || (oldSubs == null) || (newSubs == null)) {
    return null;
if (oldSubs.length != newSubs.length) {
    return s;
for (int i = 0; i < oldSubs.length; i++) {
    s = replace(s, oldSubs[i], newSubs[i]);
...
Stringsubstring(String str, int beginIndex)
substring 
if (str == null) {
    return null;
if (beginIndex < 0) {
    return EMPTY;
if (beginIndex > str.length()) {
    return EMPTY;
...
Stringsubstring(String str, int beginIndex, int endIndex)
substring 
if (str == null) {
    return null;
if (beginIndex < 0 || endIndex < 0) {
    return EMPTY;
if (endIndex > str.length()) {
    endIndex = str.length();
...
StringsubstringAfter(String str, String separator)
substring After 
if (isEmpty(str)) {
    return str;
if (separator == null) {
    return EMPTY;
int beginIndex = str.indexOf(separator);
if (beginIndex == INDEX_NOT_FOUND) {
...
StringsubstringAfterLast(String str, String separator)
substring After Last 
if (isEmpty(str)) {
    return str;
if (isEmpty(separator)) {
    return EMPTY;
int beginIndex = str.lastIndexOf(separator);
if (beginIndex == INDEX_NOT_FOUND) {
...