Java Utililty Methods String Extract

List of utility methods to do String Extract

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Description

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

Method

String[]extractParameters(String uri)
extract Parameters 
List<String> params = new ArrayList<String>();
StringBuilder param = new StringBuilder();
int brackets = 0;
for (int i = 0; i < uri.length(); i++) {
    char character = uri.charAt(i);
    if (character == '{') {
        brackets++;
        if (brackets == 1) {
...
ListextractParamsFromUriTemplateFragment(String value)
Extracts all the character sequences inside of curly braces ('{' and '}') and returns them as a list of strings 
List<String> params = new ArrayList<String>();
int beginIndex = -1;
while ((beginIndex = value.indexOf("{", beginIndex + 1)) != -1) {
    int semicolonIndex = value.indexOf(":", beginIndex);
    int closingCurlyBraketIndex = value.indexOf("}", beginIndex);
    int endIndex = (semicolonIndex != -1) ? Math.min(semicolonIndex, closingCurlyBraketIndex)
            : closingCurlyBraketIndex;
    if (endIndex == -1) {
...
String[]extractReferences(String value)
extract References 
List l = new ArrayList();
for (int i = 0; i < value.length(); i++)
    if ('$' == value.charAt(i)) {
        int start = i + 2;
        while ('}' != value.charAt(i))
            i++;
        int end = i;
        l.add(value.substring(start, end));
...
StringextractStreetName(String address)
extract Street Name 
String[] parts = address.split("\\s");
for (int i = parts.length - 1; i >= 0; i--) {
    String part = parts[i];
    if (part.length() > 3 && !part.contains("/") && !part.matches(".*\\d.*")) {
        return String.join(" ", Arrays.copyOfRange(parts, 0, i + 1));
return "";
...
ListextractStrings(String s)
extract Strings 
List strings = new ArrayList();
if (s == null || s.equals("")) {
    return strings;
try {
    while (s.indexOf(STRING_SEPARATOR) != -1) {
        int nIndex = s.indexOf(STRING_SEPARATOR);
        strings.add(s.substring(0, nIndex));
...
ListextractStringsAroundDots(String s)
Example: "1.3" => a list that contains "1" and "3" 
List result = new ArrayList();
int pos = 0;
while (s.indexOf('.', pos) >= 0) {
    int nextPos = s.indexOf('.', pos) + 1;
    result.add(s.substring(pos, nextPos - 1));
    pos = nextPos;
result.add(s.substring(pos));
...
StringextractTableName(String line)
extract Table Name 
List<Integer> indices = getQuotePositions(line);
if (indices.size() < 4) {
    return "";
return line.substring(indices.get(0), indices.get(3) + 1);
ListextractTags(Map layoutProperties)
extract Tags 
String tagsStr = layoutProperties.get(LAYOUT_PROPERTY);
return convertTagStringToTag(tagsStr);
ListextractUmiPositions(String pattern)
extract Umi Positions 
List<Integer> umiPositions = new ArrayList<>();
for (int i = 0; i < pattern.length(); i++) {
    if (pattern.charAt(i) == UMI_BASE) {
        umiPositions.add(i);
return umiPositions;
String[]extractWords(String s)
extract Words 
ArrayList<String> words = new ArrayList<>();
StringBuilder b = new StringBuilder();
char prev = 0;
for (int i = 0; i < s.length(); i++) {
    char c = s.charAt(i);
    if (Character.isAlphabetic(c) || Character.isDigit(c)) {
        if ((!(Character.isLowerCase(c) && Character.isUpperCase(prev)))
                && ((Character.isUpperCase(c) && !Character.isUpperCase(prev))
...