"Hello".ToLower()
"Hello".ToUpper()
"Hello".EndsWith('lo')
"Hello".StartsWith('he')
"Hello".toLower().StartsWith('he')
"Hello".Contains('l')
"Hello".LastIndexOf('l')
"Hello".IndexOf('l')
"Hello".Substring(3)
"Hello".Substring(3,1)
"Hello".Insert(3, "INSERTED")
"Hello".Length
"Hello".Replace('l', 'x')
"Server1,Server2,Server3".Split(',')
" remove space at ends ".Trim()
" remove space at ends ".Trim(' rem')