Java Regex String Replace replace(String str, String replacement, Function func)

Description

replace

License

Open Source License

Parameter

Parameter	Description
str	a parameter
replacement	a parameter
func	a parameter

Declaration

public static String replace(String str, String replacement, Function<Matcher, String> func) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.function.Function;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    /**//from ww w  .j a v  a  2s  .  c  om
     *
     * @param str
     * @param replacement
     * @param func
     * @return
     */
    public static String replace(String str, String replacement, Function<Matcher, String> func) {
        return replace(str, replacement, func, 0);
    }

    /**
     *
     * @param str
     * @param replacement
     * @param func
     * @param flags
     * @return
     */
    public static String replace(String str, String replacement, Function<Matcher, String> func, int flags) {
        if (str == null || str.isEmpty())
            return str;
        Pattern p = Pattern.compile(replacement, flags);
        Matcher m = p.matcher(str);
        boolean result = m.find();
        StringBuffer sb = new StringBuffer();
        do {
            String res = func.apply(m);
            m.appendReplacement(sb, res);
            result = m.find();
        } while (result);
        m.appendTail(sb);

        return sb.toString();
    }
}

Related

1. replace(String source, String prefix, String suffix, String prefixReplace, String suffixReplace)
2. replace(String source, String search, String replace)
3. replace(String source, String search, String replacement)
4. replace(String source, String[] patterns, String[] replacements)
5. replace(String str, String key, String value)
6. replace(String string, Pattern pattern, String replacement)
7. replace(String string, Pattern[] patterns, String[] replacements)
8. replace(String string, Properties table)
9. replace(String string, String pattern, String replacement, boolean literal)