Activating Regular Expression Syntax Coloring
Explore how to enable regular expression syntax coloring in Visual Studio 2022 by using the StringSyntax attribute in C#. Understand how to apply this feature to string constants to improve code clarity and utilize IntelliSense support for regex patterns and date formats.
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If we use Visual Studio 2022 as our code editor, then we probably noticed that when passing a string value to the Regex constructor, we see color syntax highlighting, as shown in the figure:
Syntax coloring for regular expression
Why does this string get syntax coloring for regular expressions when most string values do not? Let’s find out:
Step 1: Right-click in the new constructor, select “Go To Implementation,” and note the string parameter named pattern is decorated with an attribute named StringSyntax that has the string constant ...