digit:]] Equivalent for characters bash - Stack Overflow
Jun 28, 2017 · What is the regex identifier for alpha characters equivalent to [[:digit:]] for numbers used within bash? My man page scrubbing skills aren't very good today.
regex - why does `^ [^ [:digit:]]` match a digit and a new line ...
Jun 17, 2015 · In Emacs's regex, why does ^ [^ [:digit:]] match a digit and a new line character before the digit, e.g. it will matches the whole of the second and the third line of 1 1 but not the …
Program to read a 4-digit integer and output the sum of the digits
I'm stuck with an assignment in an introduction course to programming. We are using C. The assignment is: write a program which asks the user for a four digit INTEGER and outputs the …
python - Does "\d" in regex mean a digit? - Stack Overflow
Decimal digit character: \d \d matches any decimal digit. It is equivalent to the \p {Nd} regular expression pattern, which includes the standard decimal digits 0-9 as well as the decimal digits …
python - Display number with leading zeros - Stack Overflow
How do I display a leading zero for all numbers with less than two digits? 1 → 01 10 → 10 100 → 100
Java isLetterOrDigit() method, isDigit(), isLetter() - Stack Overflow
May 11, 2016 · Anyway for a start, since you need at least one letter and at least one digit, you're going to need two flags, two booleans, which will initially be false. You can iterate through …
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 ...
How do I display a decimal value to 2 decimal places?
When displaying the value of a decimal currently with .ToString(), it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 dec...
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 echo with different colors in the Windows command line
I know that the color bf command sets the colors of the whole command line window but I wanted to to print one single line in a different color.