関連ワード:  excel how to count text in a cell    excel how to count letters in a cell    excel how to countif text in cell    excel formula to count text in a cell    excel how to count specific letters in a cell    excel how to count if there is text in a cell    excel how to count specific text in cells    excel how to count number of letters in a cell    excel how to count how many letters in a cell    excel how to count cells with text in a column