Regex Help for text/pattern between two keywords

I am trying to extract text between two words. The below pattern repeats itself with modifications in between ‘start keyword’ and ‘end keyword’ across the text document. The document has paragraphs and text before and after the following patterns, which i don’t want to extract. Can anyone help me with the regex for the following ? which would extract all occurrences.

Start keyword- RIASWIX End keyword – Sky Access

----Document Start-------

Paragraph*

RIASWIX.*                                 ABCDEF1   NONE
   WORKING:  HELLO(READ)
   BOOLEAN Access:  SADGRE3, VJFKES3, JGJKEWW, IS4DWF44(A), DFEAWE2(G),
     DW4444W, IHFK3MF3
   BAZAAR Access:  No resource with BAZAAR Access
   GHAR Access:  No resource with GHAR Access
   WATER Access:  ADMINDDD(A), GEDDE33
   SKY None:  No Resource with Sky Access

RIASWIX.@7483NFJ.*                                 HFDFDF3   NONE
   WORKING:  BYE(READ)
   BOOLEAN Access:  GRREGGG, GREFEFF, GFGGGG, FDFDFDF(A), RERERE3(G),
     GFFWEF44, FFRF44F
   BAZAAR Access:  No resource with BAZAAR Access
   GHAR Access:  No resource with GHAR Access
   WATER Access:  ADMINEWW(A), FFRFRGR
   SKY None:  No Resource with Sky Access

RIASWIX.@7483KXX.*                                 HFDFDF3   NONE
   WORKING:  TATA(READ)
   BOOLEAN Access:  GRDSD33, FASDE, GFGGGG, RWERW33(A), NMUYHT4(G),
   BAZAAR Access:  XCDFEFE3, FREFE33R
   GHAR Access:  No resource with GHAR Access
   WATER Access:  DASDEFG(A), SJMFEIOE(P)
   SKY None:  No Resource with Sky Access

*Text

----Document End-------

Answer

(?s) for new line characters, check this regex-match-all-characters-between-two-strings

import re

print(re.findall('RIASWIX(?s)(.*?)Sky Access', str1))

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Answer