How to extrapolate a specific element in a filename

[Gintaras]

Easiest - with regular expression. if don't want to learn regular expressions, use other string functions, eg findc (to find '{' and '}') and str.get.

Macro Macro2660

Code:

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str var1 = "fileName{topic1}.txt"
str newVar1
if(findrx(var1 "\{(.+?)\}.txt$" 0 1 newVar1 1)<0) end "{...} not found in the string"
out newVar1