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This article mainly introduces the relevant knowledge of "what is C#reverse reference construction". Xiaobian shows you the operation process through actual cases. The operation method is simple, fast and practical. I hope this article "what is C#reverse reference construction" can help you solve the problem.

reverse reference construction

Backreferences allow for subsequent identification of previously matched subexpressions within the same regular expression.

The following table lists backreference constructs:

Reverse Reference Constructs Description Pattern Match\ number Reverse Reference. Matches the value of the numbered subexpression. (\w)\1"ee" in "seek"\k

Named backreferences. Matches the value of a named expression. (?

\w)\k

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