A space in front of A: in the Question/Answer Style to take advantage of Obsidian Folding

[KentRKT2]

not sure why this -> "^Q: ((?:.+\n))\nA: (.+(?:\n(?:^.{1,3}$|^.{4}(?<!<!--).)))"
changed to this -> "^Q: ((?:.+\n))\n A: (.+(?:\n(?:^.{1,3}$|^.{4}(?<!<!--).)))" <- notice the space between the * and A:
does not make the following work
Q: Question
A: Answer <- notice the space before the A:

the reason I'm trying to get this to work is so I can take advantage of folding (https://help.obsidian.md/Editing+and+formatting/Folding) which allows me to 'hide' the Answers

any help appreciated. Thanks