関連ワード:  excel remove first letter in a cell    excel remove first character in a cell    excel remove first word in a cell    excel delete first characters in a cell    excel formula to remove first letter in a cell    excel remove first two characters in a cell    excel remove first 3 characters in a cell    excel remove first 4 characters in a cell    excel remove first 5 characters in a cell    excel remove first 10 characters in a cell