Gets the content between two tags

[Kevin]

this will do both either output 
whole match
#if A
    part1
#endif
#if V
    part2
#endif
#if C
    part3
#endif 

or what's in between #if and #endif
part1
part2
part3
 

Code:

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ARRAY(str) a2
findrx(_s "#if.*(?s)(.*?)#endif" 0 4 a2)
for int'i 0 a2.len
,out a2[0 i];; output whole match
,;out a2[1 i].trim;;output just whats in between #if A(this part)#endif