関連ワード:  python check if string contains non letters    python check if string contains only letters    python check if string contains only letters and spaces    python check if string contains only letters and numbers    python check if string contains no letters    python check if string contains non alphanumeric    python check if string has only letters    python check if string contains only alphanumeric    python check if string contains only characters    python check if string contains only english letters  
結果 : python check if string contains non letters