関連ワード:  check if a string is a valid number python    check if string is a valid integer python    check if a string is a valid date python    check if a string is a valid path python    check if a string is a valid url python    check if a string is a valid json python    check if a string is a valid ip address python    check if a string is a valid email address in python    python check if a string is a valid uuid    python check if a string is a valid file name  
結果 : check if a string is a valid number python