Maximum number of occurrences a character appears in an array of strings

Question

In C#, given the array :

string[] myStrings = new string[] {
  \"test#test\",
  \"##test\",
  \"######\", // Winner (outputs 6)
};

How can

Answer 1

You can write something like this. Note the usage of DefaultIfEmpty, to not throw an exception if myStrings is empty, but revert to 0.

var maximum = myStrings.Select(e => e.Count(ee => ee == '#')).DefaultIfEmpty().Max();