c# - Failed on building working RegEx Expression -



c# - Failed on building working RegEx Expression -

i'm working on little searching tool, searchs defined words in every (text-based) file in selected filepath.

therefore used build working regex string makes possible , does.

furthermore, added function user can add together strings list, wich should excluded searched word (e.g. searchstring: "result", exlusion:":=", "result:=" in .dfm files should ignored).

my current regex string :

@"(?:(result)(?!:=|;))"

this solution works simple, if there's ":=" or ";" @ end of "result". should allowed other words can stand for- , afterwards "result" till end of line.

can help me? :)

many in advance :)

if understand correctly, you're looking negative lookbehind (?<!)

(?<!@|&)result(?!:=|;)

demo

c# regex

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