/abcde $2  $ident asd/
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Groovy script
  Compound regular expression
    PsiElement(regex begin)('/')
    GrStringContentImpl(GString content element)
      PsiElement(regex content)('abcde $2  ')
    GString injection
      PsiElement($)('$')
      Reference expression
        PsiElement(identifier)('ident')
    GrStringContentImpl(GString content element)
      PsiElement(regex content)(' asd')
    PsiElement(regex end)('/')