The article presents a comprehensive approach to programming language development for
the .NET platform. The authors explore the stages of language creation, starting from defining
its goals and objectives, designing syntax and semantics, to implementing a language processor
with CIL code generation for the .NET virtual machine. The article employs a class hierarchy
for operations on regular languages and provides a specific specification for the Vlan language.
The research findings underscore the importance of a systematic approach to programming
language development and their adaptation to specific tasks and user requirements in the
.NET environment.

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