Java Utililty Methods Regex String Replace

List of utility methods to do Regex String Replace

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Description

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

Method

Stringreplace(String text, String find, String match, boolean useRegex, boolean isCaseSensitive)
replace 
if (useRegex) {
    if (isCaseSensitive) {
        return text.replaceAll(find, match);
    } else {
        return text.replaceAll("(?i)" + find, match);
} else {
    if (isCaseSensitive) {
...
Stringreplace(String text, String findPattern, String replacePattern)
Replace any text within a text using regular expressions 
Pattern pattern = Pattern.compile(findPattern);
Matcher matcher = pattern.matcher(text);
return matcher.replaceAll(replacePattern);
Stringreplace(String text, String targetText, String newText)
Replace all occurances of the target text with the provided replacement text. 
Pattern pattern = Pattern.compile(targetText, Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(text);
return matcher.replaceAll(newText);
Stringreplace(String text, String[] searchStrings, String[] replacements)
Replace multiple search strings simultaneously 
validateParams(text, searchStrings, replacements);
if (searchStrings.length == 0) {
    return text;
Map<String, String> searchStringsToReplacements = zipToMap(searchStrings, replacements);
StringBuffer buffer = new StringBuffer();
Matcher matcher = buildPattern(searchStrings).matcher(text);
while (matcher.find()) {
...
Stringreplace(String val)
Replaces any ${} strings with their corresponding environent variable. 
Matcher matcher = p.matcher(val);
StringBuffer buf = new StringBuffer();
while (matcher.find()) {
    String envVar = matcher.group(1);
    String envVal = System.getProperty(envVar);
    if (envVal == null)
        envVal = "NOT-SPECIFIED";
    matcher.appendReplacement(buf, envVal.replace("\\", "\\\\"));
...
Stringreplace(String value)
replace 
if (value == null)
    return null;
StringBuffer sb = new StringBuffer(256);
Matcher m = VAR_PTN.matcher(value);
while (m.find()) {
    String propValue = System.getProperty(m.group(1));
    if (propValue == null)
        propValue = "";
...
Stringreplace_values(HashMap values, String str)
replacvalues 
StringBuilder sbStr = new StringBuilder();
int i = 0;
for (String s : values.keySet()) {
    i++;
    sbStr.append(s);
    if (i < values.size()) {
        sbStr.append("|");
String patternString = "%(" + sbStr.toString() + ")%";
Pattern pattern = Pattern.compile(patternString);
Matcher matcher = pattern.matcher(str);
StringBuffer sb = new StringBuffer();
while (matcher.find()) {
    matcher.appendReplacement(sb, values.get(matcher.group(1)));
matcher.appendTail(sb);
return sb.toString();
Stringreplace_with_in(String aStringToReplace, String aNewString, String aString)
replacwitin 
Pattern pattern = Pattern.compile(aStringToReplace);
Matcher matcher = pattern.matcher(aString);
return matcher.replaceAll(aNewString);