plugins/groovy/testdata/parsing/groovy/expressions/path/regexp.test

a.$/dfg/$./fg/."sfg"./${a}/.$/df$g/$
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Groovy script
  Property selection
    Property selection
      Reference expression
        Reference expression
          Reference expression
            Reference expression
              PsiElement(identifier)('a')
            PsiElement(.)('.')
            GroovyASTPsiElementImpl($/ regex literal)
              PsiElement($/ regex begin)('$/')
              PsiElement($/ regex content)('dfg')
              PsiElement($/ regex end)('/$')
          PsiElement(.)('.')
          GroovyASTPsiElementImpl(regex literal)
            PsiElement(regex begin)('/')
            PsiElement(regex content)('fg')
            PsiElement(regex end)('/')
        PsiElement(.)('.')
        PsiElement(Gstring)('"sfg"')
      PsiElement(.)('.')
      Compound regular expression
        PsiElement(regex begin)('/')
        GrStringContentImpl(GString content element)
          ASTWrapperPsiElement(regex content)
            <empty list>
        GString injection
          PsiElement($)('$')
          Closable block
            PsiElement({)('{')
            Parameter list
              <empty list>
            Reference expression
              PsiElement(identifier)('a')
            PsiElement(})('}')
        GrStringContentImpl(GString content element)
          ASTWrapperPsiElement(regex content)
            <empty list>
        PsiElement(regex end)('/')
    PsiElement(.)('.')
    Compound regular expression
      PsiElement($/ regex begin)('$/')
      GrStringContentImpl(GString content element)
        PsiElement($/ regex content)('df')
      GString injection
        PsiElement($)('$')
        Reference expression
          PsiElement(identifier)('g')
      GrStringContentImpl(GString content element)
        ASTWrapperPsiElement($/ regex content)
          <empty list>
      PsiElement($/ regex end)('/$')