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 example that gives …
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 using both: …
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 digits …
math - C: how to break apart a multi digit number into separate ...
Feb 3, 2018 · 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...
Format string to a 3 digit number - Stack Overflow
169 If you're just formatting a number, you can just provide the proper custom numeric format to make it a 3 digit string directly:
regex - How do I write a Regular Expression to match any three digit ...
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 digit number in …
JavaScript math, round to two decimal places - Stack Overflow
I have the following JavaScript syntax: var discount = Math.round(100 - (price / listprice) * 100); This rounds up to the whole number. How can I return the result with two decimal places?
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 ...
R regular expressions: unexpected behavior of " [:digit:]"
Nov 1, 2013 · I'd like to extract elements beginning with digits from a character vector but there's something about POSIX regular expression syntax that I don't understand. I would think that vec <- …
Shorter way to check if a string is not isdigit ()
May 2, 2013 · For the sake of learning, is there a shorter way to do: if string.isdigit () == False : I tried: if !string.isdigit () : and if ! (string.isdigit ()) : which both didn't work.