RCS1172: Use 'is' operator instead of 'as' operator

Properties

Property	Value
Default Severity	Warning
Minimum language version	-

Examples

Example #1

diagnostic.cs

if (x as string != null)
{
}

fix.cs

if (x is string)
{
}

Applies to

• Extension for VS 2022
• Extension for VS Code
• Extension for Open VSX
• Package Roslynator.Analyzers