added 60 characters in body

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edited Jun 9, 2017 at 8:27

C#, 42 3333 28 bytes

i=>i.Replace(i[0]+"","").Length<1==""

i has to be a string.

Shaved down a lot thanks to @LethalCoder

C#, 42 33 bytes

i=>i.Replace(i[0]+"","").Length<1

i has to be a string.

i=>i.Replace(i[0]+"","")==""

i has to be a string.

Shaved down a lot thanks to @LethalCoder

added 11 characters in body

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edited Jun 8, 2017 at 11:04

i=>i.Replace(i[0].ToString()i[0]+"","").Length==0Length<1

i has to be a string.

i=>i.Replace(i[0].ToString(),"").Length==0

i has to be a string.

i=>i.Replace(i[0]+"","").Length<1

i has to be a string.

Source Link

created Jun 8, 2017 at 8:52

i=>i.Replace(i[0].ToString(),"").Length==0

i has to be a string.