Regex to catch strings with only 2 digits

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I have searched for similar questions, and even though I found several answers, none seams to work. I have a list of strings


and I need a regex to find only strings holding only 2 digits (not more or less). So in this case:

Q96, 22Q, Q72, T22T

my failed attempts include:


You could use ^\D*(\d)\D*(\d)\D*$

\D* makes sure anything before your first digit isn't another digit.

(\d) captures your first digit.

\D* makes sure there is no other digits between your two digits.

(\d) captures your second digit.

\D* makes sure anything after your second digit isn't another digit.

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This works well. Note the global and multiline flags.


Explanation: Start of line -> letter -> exactly two digits -> zero or more letters -> end of line

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Quantifiers +, *, ? and {n}, \d{5} denotes exactly 5 digits, the same as \d\d\d\d\d . The example To find numbers from 3 to 5 digits we can put the limits into curly braces: \d{3,5}. alert ( "I' m not Then a regexp \d{3,} looks for sequences of digits of length 3 or more: Let's return to the string +7(903)-123-45-67 . Tasks (2); Comments. Lesson 2: The Dot In some card games, the Joker is a wildcard and can represent any card in the deck. With regular expressions, you are often matching pieces of text that you don't know the exact contents of, other than the fact that they share a common pattern or structure (eg. phone numbers or zip codes).

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  • Try ^(?:\D*\d){2}\D*$? Or ^\D*(?:\d\D*){2}$.
  • Do the two nubers have to be together (T22) or can the be split (2T2)?
  • @Kokogino I frankly don't know, I haven't thought about it. Can u think a solution for each case?
  • If 2 digits are continuous then use: ^\D*\d{2}\D*$
  • you can validate the regexpr above here:
  • You can replace [^\d] by \D.
  • @Kokogino Edited it :)
  • the regexpr does not match for "1EER4TT" "TT22"
  • @3p3ch3 Yes it does.