Android Utililty Methods String Replace

List of utility methods to do String Replace

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Description

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

Method

StringreplaceSpace(String str)
replace Space 
if (str == null) {
    return str;
return str.replace(" ", "");
StringreplaceStr(String number)
replace Str 
if ("".equals(number) || number == null) {
    return "0";
} else {
    return number;
StringreplaceString(String s, Map replacement)
replace String 
if (s != null && !s.equals("") && replacement != null) {
    for (String key : replacement.keySet()) {
        String actualKey = "\\{" + key.toUpperCase(Locale.US)
                + "\\}";
        s = s.replaceAll(actualKey, replacement.get(key));
return s;
...
StringreplaceWords(String src, String targetValue, String newValue)
replace Words 
if (targetValue.equals("")) {
    throw new IllegalArgumentException(
            "Old pattern must have content.");
StringBuffer result = new StringBuffer();
int startIdx = 0;
int idxOld = src.indexOf(targetValue, startIdx);
if (idxOld >= 0) {
...
StringreplaceWordsAll(String src, String targetValue, String newValue)
replace Words All 
if (targetValue.equals("")) {
    throw new IllegalArgumentException(
            "Old pattern must have content.");
StringBuffer result = new StringBuffer();
int startIdx = 0;
int idxOld = 0;
while ((idxOld = src.indexOf(targetValue, startIdx)) >= 0) {
...
StringreplaceBlank(String str)
replace Blank 
String dest = "";
if (str != null) {
    str = str.replace(" ", "+");
    Pattern p = Pattern.compile("\\s*|\t|\r|\n");
    Matcher m = p.matcher(str);
    dest = m.replaceAll("");
return dest;
...
StringreplaceBlank(String str)
replace Blank 
String dest = "";
if (str != null) {
    Pattern p = Pattern.compile("\r");
    Matcher m = p.matcher(str);
    dest = m.replaceAll("");
return dest;
StringreplaceBlank(String str)
replace Blank 
String dest = "";
if (str != null) {
    Pattern p = Pattern.compile("\t|\r|\n");
    Matcher m = p.matcher(str);
    dest = m.replaceAll("");
return dest;
StringreplaceBlank(String str)
replace Blank 
Pattern pattern = Pattern.compile("\\s*|\t|\r|\n");
Matcher matcher = pattern.matcher(str);
return matcher.replaceAll("");
StringremoveIllegal(String input)
remove Illegal 
String invalidXMLChars = "[^[\\u0009\\u000A\\u000D][\\u0020-\\uD7FF][\\uE000-\\uFFFD][\\u10000-\\u10FFFF]]";
return input.replaceAll(invalidXMLChars, "?");