String Elixir examples

string.ex

String.length "a string" # 8 
String.contains?("string", "str") # true
String.at("mystring", 2) # s
String.slice("mystring", 2, 3)
String.split("my string", " ") # ["my", "string"]
String.reverse("string") # gnirts
String.upcase("string") # STRING 
String.downcase("STRING") # string
String.capitalize("string") # "String"