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

StringsubstringL(String s, int i, int len)
substring L 
String res = s.substring(i, Math.min(i + len, s.length()));
return res;
StringsubstringLinesWithTokenOfEOL(String originalString, String stringToBeInserted)
Method to process String value with EOL mark 
StringBuffer processedString = new StringBuffer();
int lastEnd = 0;
for (int i = 0; i <= originalString.length(); i++) {
    if (i + 5 <= originalString.length()) {
        if (originalString.substring(i, i + 5).equals("#EOL#")) {
            processedString.append(originalString.substring(lastEnd, i));
            processedString.append(stringToBeInserted);
            lastEnd = i + 5;
...
booleansubstringMatch(CharSequence str, int index, CharSequence substring)
Test whether the given string matches the given substring at the given index. 
for (int j = 0; j < substring.length(); j++) {
    int i = index + j;
    if (i >= str.length() || str.charAt(i) != substring.charAt(j)) {
        return false;
return true;
booleansubstringMatch(CharSequence str, int index, CharSequence substring)
substring Match 
for (int j = 0; j < substring.length(); j++) {
    int i = index + j;
    if (i >= str.length() || str.charAt(i) != substring.charAt(j)) {
        return false;
return true;
booleansubstringMatches(final String source, final String substring, final boolean checkBoundaries)
substring Matches 
if (source == null) {
    return false;
if (substring == null || substring.length() == 0) {
    return true;
int index = source.indexOf(substring);
if (index == -1) {
...
StringsubstringMore(String s, int maxlen)
substring More 
if (s.length() < maxlen) {
    return s;
} else {
    return (maxlen < 3 ? "" : s.substring(0, maxlen - 3)) + "...";
StringsubStringNobit(String str, int toCount, String more)
sub String Nobit 
if (str != null) {
    if (str.getBytes().length > toCount) {
        return subStringByBytes(str, toCount, more);
    } else {
        return str;
} else {
    return "";
...
StringsubStringNotEncode(String subject, int size)
sub String Not Encode 
if ((subject != null) && (subject.length() > size))
    subject = subject.substring(0, size) + "...";
return subject;
StringsubStringRight(String str, int length)
sub String Right 
if (str == null || str.isEmpty())
    return str;
return str.substring(str.length() - min(str.length(), length));
Stringsubstrings(String str, int start, int end)
substrings 
if (str == null) {
    return null;
int length = end - start;
byte[] dest = new byte[length];
System.arraycopy(str.getBytes(), start, dest, 0, length);
return new String(dest);