https://regex101.com/library/jY4lD2?orderBy=MOST_DOWNVOTES&page=461&search=&filterFlavors=dotnet&filterFlavors=rust&filterFlavors=pcre&filterFlavors=python&filterFlavors=golang
regex101: UpperCase words
Search, filter and view user submitted regular expressions in the regex library. Over 20,000 entries, and counting!
uppercase words
https://www.w3resource.com/csharp-exercises/linq/csharp-linq-exercise-12.php
C# - Find the uppercase words in a string
C# Sharp programming, exercises, solution: Write a program in C# Sharp to find uppercase words in a string.
uppercase wordsfindstring