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

StringsubstringBefore(String str, String separator)
substring Before 
if (isEmpty(str) || separator == null) {
    return str;
if (separator.length() == 0) {
    return EMPTY;
int endIndex = str.indexOf(separator);
if (endIndex == INDEX_NOT_FOUND) {
...
StringsubstringBeforeLast(String str, String separator)
substring Before Last 
if (isEmpty(str) || isEmpty(separator)) {
    return str;
int endIndex = str.lastIndexOf(separator);
if (endIndex == INDEX_NOT_FOUND) {
    return str;
return str.substring(0, endIndex);
...
StringunicodePreservingSubstring(String paramString, int paramInt1, int paramInt2)
unicode Preserving Substring 
int i = unicodePreservingIndex(paramString, paramInt1);
int j = unicodePreservingIndex(paramString, paramInt2);
return paramString.substring(i, j);
StringunicodePreservingSubstring(String str, int begin, int end)
Returns a substring of str that respects Unicode character boundaries. 
return str.substring(unicodePreservingIndex(str, begin),
        unicodePreservingIndex(str, end));
StringunicodePreservingSubstring(String str, int begin)
Equivalent to: 
 #unicodePreservingSubstring(String,int,int) ( str, begin, str.length()) 
return unicodePreservingSubstring(str, begin, str.length());
StringsubstringAfter(String str, String separator)

Gets the substring after the first occurrence of a separator. 

if (isEmpty(str)) {
    return str;
if (separator == null) {
    return EMPTY;
int pos = str.indexOf(separator);
if (pos == -1) {
...
StringsubstringBetween(String str, String open, String close)
Gets the String that is nested in between two Strings. 
if (str == null || open == null || close == null) {
    return null;
int start = str.indexOf(open);
if (start != -1) {
    int end = str.indexOf(close, start + open.length());
    if (end != -1) {
        return str.substring(start + open.length(), end);
...
StringsubStringEndString(String sourceStr, String endString)
sub String End String 
int position = sourceStr.indexOf(endString);
if (position == -1) {
    return sourceStr;
String newString = sourceStr.substring(0, position);
return newString;
SpannableStringBuilderhightLinghtString(String destStr, String subStr, int color)
hight Linght String 
SpannableStringBuilder style = new SpannableStringBuilder(
        null == destStr ? "" : destStr);
if (null == destStr || "".equals(destStr) || "".equals(subStr)) {
    return style;
int start = destStr.lastIndexOf(subStr);
if (start != -1) {
    style.setSpan(new ForegroundColorSpan(color), start, start
...
Stringreplace(String source, String subject, String object)
replace 
StringBuffer rtnStr = new StringBuffer();
String preStr = "";
String nextStr = source;
String srcStr = source;
while (srcStr.indexOf(subject) >= 0) {
    preStr = srcStr.substring(0, srcStr.indexOf(subject));
    nextStr = srcStr.substring(
            srcStr.indexOf(subject) + subject.length(),
...