Java Utililty Methods String Split by Separator

List of utility methods to do String Split by Separator

  1. HOME
  2. Java
  3. S
  4. String Split by Separator

Description

The list of methods to do String Split by Separator are organized into topic(s).

Method

ListsplitByStringSeparator(String theString, String separatorString)
This method tokenizes a given string using another given string as separator and returns a List containing found tokens. 
List<String> tokenList = new ArrayList<String>();
if ((theString == null) || theString.equals("")) {
    return tokenList;
if (theString.equals(separatorString)) {
    return tokenList;
if ((separatorString == null) || separatorString.equals("")) {
...
double[]splitDoubles(String str, String fieldSeparator)
Convert a string of reals to a double array. 
ArrayList array = new ArrayList();
StringTokenizer tokenizer = new StringTokenizer(str, fieldSeparator);
while (tokenizer.hasMoreTokens()) {
    array.add(tokenizer.nextToken());
double[] values = new double[array.size()];
for (int i = 0; i < values.length; i++) {
    try {
...
ListsplitField(String fieldWithSeparator, String separator)
Splits a multiple-value composed field into a list of String values 
List<String> fieldsList = new ArrayList<String>();
if (fieldWithSeparator == null) {
    return fieldsList;
String[] fields = fieldWithSeparator.split(separator);
fieldsList = new ArrayList<String>(Arrays.asList(fields));
return fieldsList;
int[]splitInts(String string, String separator)
Split a string using the provided separator, then convert the split components to ints. 
String[] split = string.trim().split(separator);
List<Integer> ints = new ArrayList<Integer>(split.length);
for (String s : split) {
    try {
        ints.add(Integer.valueOf(s.trim()));
    } catch (Exception e) {
int[] is = new int[ints.size()];
for (int i = 0; i < is.length; i++) {
    is[i] = ints.get(i);
return is;
ListsplitList(String source, char separator)
split List 
return splitList(source, separator, false, null);
ListsplitListBySeparator(String text, String separator)
split List By Separator 
String[] result = new String[] {};
if (text != null) {
    result = text.split(separator);
return new ArrayList<String>(Arrays.asList(result));
String[]splitNotRegex(String str, String separatorChars)
replace the method : String.split(String regex) 
if (str == null) {
    return null;
int len = str.length();
if (len == 0) {
    return EMPTY_STRING_ARRAY;
int separatorLength = separatorChars.length();
...
ListsplitSmart(String s, char separator)
Split a string based on a separator, but don't split if it's inside a string. 
ArrayList<String> lst = new ArrayList<String>(4);
int pos = 0, start = 0, end = s.length();
char inString = 0;
char ch = 0;
while (pos < end) {
    char prevChar = ch;
    ch = s.charAt(pos++);
    if (ch == '\\') { 
...
String[]splitStaySeparator(String str, char token)
split a String, if there are no character between two token this method place a empty String ( != String.split ) 
int i = str.indexOf(token);
int start = 0;
ArrayList<String> arrayList = new ArrayList<String>();
while (i >= 0) {
    arrayList.add(str.substring(start, i));
    start = i + 1;
    arrayList.add(str.substring(i, i + 1));
    i = str.indexOf(token, start);
...
ArrayListsplitString(String sInput, String sSeparator)
Splits a delimited String into a ArrayList of individual components example: ArrayList v = puakma.util.Util.splitString("NSW,VIC,QLD", ","); 
if (sInput == null || sSeparator == null)
    return null;
ArrayList vReturn = new ArrayList();
int iPos = sInput.indexOf(sSeparator);
while (iPos >= 0) {
    String szToken = sInput.substring(0, iPos);
    sInput = sInput.substring(iPos + sSeparator.length(), sInput.length());
    vReturn.add(szToken);
...