関連ワード:  powershell select first character of string    powershell get first character of string    powershell check first character of string    powershell select first 3 characters of string    powershell select first 2 characters of string    powershell select first 4 characters of string    powershell select first x characters of string    powershell get only first character of string    powershell get first 3 characters of string    powershell get first n characters of string  
結果 : powershell select first character of string