Repeated string literal (ARCH715)

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Key dotnet.codequality.repeated-string-literal · Severity info · Category codequality

Flags a string literal of five or more characters used four or more times in one type. A value spelled out in several places drifts: one copy gets changed and the others do not. Attribute arguments, case labels, patterns, constant initialisers, log calls and seed data are not counted.

Incorrect

if (status == "awaiting-payment") ...
return "awaiting-payment";
log.Info("awaiting-payment");
filter.Add("awaiting-payment");

Correct

private const string AwaitingPayment = "awaiting-payment";

if (status == AwaitingPayment) ...
return AwaitingPayment;