関連ワード:  python check if string is number    python check if string is number including negative    python check if string is number with decimal    python check if string is number negative    python check if string is number or float    python check if string is number or letter    python check if string is numbers only    python check if string is all numbers    python check if string is valid number    python check if string is hex number  
結果 : python check if string is real number