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 …

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 …

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 …

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.

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; …

Nov 11, 2014 · You can use range quantifier {min,max} to specify minimum of 1 digit and maximum of 6 digits as: ^[0-9]{1,6}$ Explanation: ^ : Start anchor [0-9] : Character class to …

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 …

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 …

Feb 3, 2010 · Hey, this is a slow solution. I did a factorial of a random 6 digit number, and found its length. This method took 95.891 seconds. And Math.log10 method took only …

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 …