Java Utililty Methods String Sub String

List of utility methods to do String Sub String

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Description

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

Method

StringsubString(String parentStr, String startStr, String endStr)
sub String 
return parentStr.substring(parentStr.indexOf(startStr) + startStr.length(), parentStr.indexOf(endStr));
Stringsubstring(String S, int beginIndex, int endIndex)
substring 
if (beginIndex < endIndex && beginIndex >= 0 && endIndex <= S.length()) {
    return S.substring(beginIndex, endIndex);
} else {
    return "";
Stringsubstring(String s, int beginIndex, int endIndex)
substring 
while (beginIndex < endIndex && s.charAt(beginIndex) <= ' ')
    beginIndex++;
while (beginIndex < endIndex && s.charAt(endIndex - 1) <= ' ')
    endIndex--;
return beginIndex < endIndex ? s.substring(beginIndex, endIndex) : "";
Stringsubstring(String s, int i, String substring, int direction)
substring 
if (direction >= 0) {
    return s.substring(i + substring.length());
} else {
    return s.substring(0, i);
StringsubString(String s, int length)
sub String 
if (isBlank(s))
    return "";
if (s.getBytes().length <= length)
    return s;
char ch[] = null;
if (s.length() >= length)
    ch = s.substring(0, length).toCharArray();
else
...
Stringsubstring(String s, int start)
substring 
if (s == null || start >= s.length()) {
    return "";
return s.substring(start);
Stringsubstring(String s, int start, int length)
Extract a substring from the given string, using start index and length of the extracted substring. 
if (!hasLength(s)) {
    return s;
if (start < 0)
    start = 0;
if (start + 1 > s.length() || length < 0)
    return "";
return (start + length > s.length()) ? s.substring(start) : s.substring(start, start + length);
...
Stringsubstring(String s, int start, int stop)
substring 
if (isEmpty(s)) {
    return s;
if (start < 0 || start >= s.length()) {
    return "";
if (stop > s.length() || stop < 0) {
    stop = s.length();
...
StringsubString(String s, int startIndex, int count)
slice up the given string 
if (isEmpty(s)) {
    return "";
byte[] stringBytes = s.getBytes();
if (startIndex < 0) {
    startIndex = 0;
if (count > stringBytes.length - startIndex) {
...
Stringsubstring(String self, Integer startIndex, Integer endIndex)
substring 
return self.substring(startIndex, endIndex);