cdm/src/main/java/ucar/unidata/util/StringUtil2.java
static public void remove(StringBuilder sb, String out) {
    int i = 0;
    while (i < sb.length()) {
      int c = sb.charAt(i);
      boolean ok = true;
      for (int j = 0; j < out.length(); j++) {
        if (out.charAt(j) == c) {
          sb.delete(i, i + 1);
          ok = false;
          break;
        }
      }
      if (ok) i++;
    }
  }
static public void remove(StringBuilder sb, String out) {
    int i = 0;
    while (i < sb.length()) {
      int c = sb.charAt(i);
      boolean ok = true;
      for (int j = 0; j < out.length(); j++) {
        if (out.charAt(j) == c) {
          sb.delete(i, i + 1);
          ok = false;
          break;
        }
      }
      if (ok) i++;
    }
  }
Remove any of the characters in out from sb

@param sb  the StringBuilder
@param out get rid of any of these characters