REGEXP_FILE
  RegExpPatternImpl: <a[bcd]*dcdcde>
    RegExpBranchImpl: <a[bcd]*dcdcde>
      RegExpCharImpl: <a>
        PsiElement(CHARACTER)('a')
      RegExpClosureImpl: <[bcd]*>
        RegExpClassImpl: <[bcd]>
          PsiElement(CLASS_BEGIN)('[')
          RegExpCharImpl: <b>
            PsiElement(CHARACTER)('b')
          RegExpCharImpl: <c>
            PsiElement(CHARACTER)('c')
          RegExpCharImpl: <d>
            PsiElement(CHARACTER)('d')
          PsiElement(CLASS_END)(']')
        RegExpQuantifierImpl: <*>
          PsiElement(STAR)('*')
      RegExpCharImpl: <d>
        PsiElement(CHARACTER)('d')
      RegExpCharImpl: <c>
        PsiElement(CHARACTER)('c')
      RegExpCharImpl: <d>
        PsiElement(CHARACTER)('d')
      RegExpCharImpl: <c>
        PsiElement(CHARACTER)('c')
      RegExpCharImpl: <d>
        PsiElement(CHARACTER)('d')
      RegExpCharImpl: <e>
        PsiElement(CHARACTER)('e')