regex - Grep regular expression for digits in character string of ...
to match a digit in grep you can use [0-9]. To match anything but a digit, you can use [^0-9]. Since that can be any number of , or no chars, you add a "*" (any number of the preceding). So what …
regex - any number of digits + digit or [a-z] - Stack Overflow
Nov 23, 2018 · I am trying to write a regular expresion that checks if a string starts with a number of digits (at least one), and then immediately ends with a single letter or a digit. So: 29c is fine; …
How to take the nth digit of a number in python - Stack Overflow
Sep 23, 2016 · def get_digit(number, n): return number // 10**n % 10 get_digit(987654321, 0) # 1 get_digit(987654321, 5) # 6 The // performs integer division by a power of ten to move the digit …
Regex for matching certain numbers of digits - Stack Overflow
Nov 1, 2012 · Note that in order to not match 8, or any other number other than 9 or 11, the regex must be bounded with something to indicate that the match is surrounded by non-digit …
What's the difference between str.isdigit (), isnumeric () and ...
Formally, a digit is a character that has the property value Numeric_Type=Digit or Numeric_Type=Decimal. str.isnumeric Return true if all characters in the string are numeric …
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 …
How to check if a string contains only digits in Java
As per Java regular expressions, the + means "one or more times" and \d means "a digit". Note: the "double backslash" is an escape sequence to get a single backslash - therefore, \\d in a …
regex in SQL to detect one or more digit - Stack Overflow
Dec 27, 2013 · SELECT * FROM shop WHERE name REGEXP '[[:digit:]]+ store' If the store name must begin with digits, you need an anchor: SELECT * FROM shop WHERE name REGEXP …
Shorter way to check if a string is not isdigit () - Stack Overflow
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.
How to extract digits from a number in C? Begining from the most ...
Nov 1, 2014 · Before this fix, if the input was a power of 10, the first instance of quot would be 10, a 2 digit number, when the goal is a single digit number. This was masked by the printf("%1d", …