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 …
regex - Grep regular expression for digits in character string of ...
I need some way to find words that contain any combination of characters and digits but exactly 4 digits only, and at least one character. EXAMPLE: a1a1a1a1 // Match 1234 // NO ...
Getting each individual digit from a whole integer
Getting each individual digit from a whole integer Asked 15 years, 7 months ago Modified 1 year, 8 months ago Viewed 171k times
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 …
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 Display The last 4 digit of numbers and replace the rest of …
Nov 25, 2018 · How to displays the last four digits of the Numbers in this format: XXXX-XXXX-XXXX-1234. In other words, use Xs for the first 12 digits of the card number and actual …
How to create a GS1-128 barcode using ZPL with a check digit
Mar 30, 2023 · Mod 103 check digit is always there. It cannot be turned on or off. Mod 10 and 103 appear together with [the third Y] turned on. When you use D, it will automatically add a …
Regular expression to match standard 10 digit phone number
Regular expression to match standard 10 digit phone number Asked 12 years, 8 months ago Modified 1 year, 10 months ago Viewed 1.0m times
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
Oct 21, 2012 · 1M of RAM means 2^20 bytes? And how many bits are in a byte on this architecture? And is the "million" in "1 million 8 digit decimal numbers" a SI million (10^6)? …
Check if string contains at least one digit - Stack Overflow
Apr 4, 2023 · I have got a text string like this: test1test I want to check if it contains at least one digit using a regex. What would this regex look like?