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What Exactly Does the .NET Regex `\w` Character Class Match?

Patricia Arquette
Patricia ArquetteOriginal
2024-12-30 01:30:16161browse

What Exactly Does the .NET Regex `w` Character Class Match?

.NET Regex: Delving into the Word Character Pattern w

When working with regular expressions, it's crucial to understand the semantics of patterns like w, which represents word characters. In .NET, determining what exactly constitutes a word character can be somewhat enigmatic.

In the .NET documentation, there's only a brief mention stating that w matches "any word character." This leaves us with more questions than answers. To clarify this, let's delve into the source material.

According to the .NET documentation, a word character is defined as any member of the following Unicode character categories:

  • Lowercase Letter (Ll)
  • Uppercase Letter (Lu)

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