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Regular Expression
@"
\((?>\((?<open>)|[^\r\n()]+|\)(?<-open>))*(?(open)(?!))\)|\b(big)\b
"
gm
Input 1
1
New
Should Match: I like big cakes I like (big cakes I like big) cakes I like xx big xx cakes I like ( xx big xx cakes I like xx big xx) cakes Should not Match: I like (big) cakes I like (xx big xx) cakes I like (xx(test(big test big ( big ))) big xx) cakes I like (xx(test(big test big ( big ))) big xx) big (xx(test(big test big ( big ))) big xx) cakes
Substitution
Should Match: I like big cakes I like (big cakes I like big) cakes I like xx big xx cakes I like ( xx big xx cakes I like xx big xx) cakes Should not Match: I like (big) cakes I like (xx big xx) cakes I like (xx(test(big test big ( big ))) big xx) cakes I like (xx(test(big test big ( big ))) big xx) big (xx(test(big test big ( big ))) big xx) cakes