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PowerShell : 43

$c=[string[]][char[]](Read-Host)|sort;"$c" #With spaces and symbols

Result

  .aaddeeeghhhJkklnnoooprtttwy

C# : 100

Console.Write(new string(input.ToCharArray().OrderBy(a=>char.ToLower(a)).ToArray()).Trim('.',' '));

Result

aaddeeeghhhJkklnnoooprtttwy

PowerShell : 39

$([string[]][char[]](Read-Host)|sort)" #With spaces and symbols

Result

  .aaddeeeghhhJkklnnoooprtttwy

C# : 100

Console.Write(new string(input.ToCharArray().OrderBy(a=>char.ToLower(a)).ToArray()).Trim('.',' '));

Result

aaddeeeghhhJkklnnoooprtttwy

PowerShell : 57/43

$c=[string[]][char[]](Read-Host)|sort;"$c".Trim('.',' ')
$c=[string[]][char[]](Read-Host)|sort;"$c" #With spaces and symbols

Result

aaddeeeghhhJkklnnoooprtttwy
  .aaddeeeghhhJkklnnoooprtttwy

C# : 100

Console.Write(new string(input.ToCharArray().OrderBy(a=>char.ToLower(a)).ToArray()).Trim('.',' '));

Result

aaddeeeghhhJkklnnoooprtttwy

PowerShell : 43

$c=[string[]][char[]](Read-Host)|sort;"$c" #With spaces and symbols

Result

  .aaddeeeghhhJkklnnoooprtttwy

C# : 100

Console.Write(new string(input.ToCharArray().OrderBy(a=>char.ToLower(a)).ToArray()).Trim('.',' '));

Result

aaddeeeghhhJkklnnoooprtttwy

PowerShell : 64/50

$c=[string[]][char[]](Read-Host)|Sort-Object;"$c".Trim('.',' ')
$c=[string[]][char[]](Read-Host)|Sort-Object;"$c" #With spaces and symbols

Result

aaddeeeghhhJkklnnoooprtttwy
  .aaddeeeghhhJkklnnoooprtttwy

C# : 100

Console.Write(new string(input.ToCharArray().OrderBy(a=>char.ToLower(a)).ToArray()).Trim('.',' '));

Result

aaddeeeghhhJkklnnoooprtttwy

PowerShell : 57/43

$c=[string[]][char[]](Read-Host)|sort;"$c".Trim('.',' ')
$c=[string[]][char[]](Read-Host)|sort;"$c" #With spaces and symbols

Result

aaddeeeghhhJkklnnoooprtttwy
  .aaddeeeghhhJkklnnoooprtttwy

C# : 100

Console.Write(new string(input.ToCharArray().OrderBy(a=>char.ToLower(a)).ToArray()).Trim('.',' '));

Result

aaddeeeghhhJkklnnoooprtttwy