code: public static int findWordStart(String text, int pos, String noWordSep, boolean joinNonWordChars) {
          return findWordStart(text, pos, noWordSep, joinNonWordChars, false);
      }
docs: Locates the start of the word at the specified position.
  
  @param text the text
  @param pos The position
  @param noWordSep Characters that are non-alphanumeric, but
  should be treated as word characters anyway
  @param joinNonWordChars Treat consecutive non-alphanumeric
  characters as one word