Replaces substrings : String replace « Data Type « Java

1. Java
2. Data Type
3. String replace

Replaces substrings

    
/*
 * Copyright 2000,2005 wingS development team.
 *
 * This file is part of wingS (http://wingsframework.org).
 *
 * wingS is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * Please see COPYING for the complete licence.
 */

import java.util.StringTokenizer;

/**
 * Some string manipulation utilities.
 *
 * @author <a href="mailto:haaf@mercatis.de">Armin Haaf</a>
 */
public class StringUtil {

  /**
   * replaces substrings with content 'toFind' with 'replace' in
   * s and returns the result ('s/$toFind/$replace/g')
   *
   * @param s       The String the substrings should be replaced in.
   * @param toFind  The substring to be replaced
   * @param replace The replacement.
   * @return the string with all replacements.
   */
  public static final String replace(String s,
                                     String toFind, String replace) {
      StringBuilder erg = new StringBuilder();

      int lastindex = 0;
      int indexOf = s.indexOf(toFind);
      if (indexOf == -1) return s;
      while (indexOf != -1) {
          erg.append(s.substring(lastindex, indexOf)).append(replace);
          lastindex = indexOf + toFind.length();
          indexOf = s.indexOf(toFind, lastindex);
      }

      erg.append(s.substring(lastindex));

      return erg.toString();
  }
  
}

   
    
    
    
  

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