c# - Recursive RegEx in .NET? (?R)

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

When I use (?R) in a RegEx pattern in .NET, I get an ArgumentException:

Unrecognized grouping construct.

Does (?R) this have a different syntax in .NET?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T18:23:22+0000

The closested thing to recursion that .NET has to offer for Regex is balancing group definition. Recurssion is not directly supported in .NET.