
What's the difference between str.isdigit (), isnumeric () and ...
s.isdigit() s.isnumeric() s.isdecimal() I always get as output either all True or all False for each value of s (which is a string). What's the difference between the three? Can you provide an …
How to take the nth digit of a number in python - Stack Overflow
Sep 23, 2016 · This solution solves many more "digit of a number" problems than the one using integer division and modulus. Try to find the leading (left-most) digit of the following numbers …
python - Does "\d" in regex mean a digit? - Stack Overflow
123 Only 1 and 3 are matched by the regex \d; 2 is not. Generally for a sequence of digit numbers without other characters in between, only the odd order digits are matches, and the even order …
How to check if a character in a string is a digit or letter?
I have the user entering a single character into the program and it is stored as a string. I would like to know how I could check to see if the character that was entered is a letter or a digit. I ...
python - Sum the digits of a number - Stack Overflow
If I want to find the sum of the digits of a number, i.e.: Input: 932 Output: 14, which is (9 + 3 + 2) What is the fastest way of doing this? I instinctively did: sum (int (digit) for digit in str (...
How to find the units digit of a certain power in a simplest way
Aug 27, 2011 · How to find out the units digit of a certain number (e.g. 3 power 2011). What logic should I use to find the answer to this problem?
math - C: how to break apart a multi digit number into separate ...
Say I have a multi-digit integer in C. I want to break it up into single-digit integers. 123 would turn into 1, 2, and 3. How can I do this, especially if I don't know how many digits the integer...
regex - How do I write a Regular Expression to match any three …
May 14, 2013 · 0 It sounds like you're trying to do a find / replace in Visual Studio of a 3 digit number (references to Express and Find/Replace tool). If that's the case the regex to find a 3 …
Program to read a 4-digit integer and output the sum of the digits
write a program which asks the user for a four digit INTEGER and outputs the sum of the four digits in the integer. I have tried different thing but when I test the program it doesn't work.
Check if a char is a digit? (in C) - Stack Overflow
The char value -46 is not a digit, and you accepted both my edit and my answer based on that interpretation. If you want to know whether -46, stored in a char object, is a number, of course …