'Regex for two digits in any order

I need a regex that will match a string as long as it includes 2 or more digits.

What I have:

/(?=.*\d)(?=.*\d)/

and

/\d{2,}/

The first one will match even if there is one digit, and the second requires that there are 2 consecutive digits. I have tried to combine them in different ways to no avail.

regex


Solution 1:[1]

You can do much simpler :

/\d\D*\d/

Solution 2:[2]

You can use the following expression:

.*\d.*\d.*

This will match anything that has two digits in it, anywhere. Regardless of where the numbers are. Example here.

You can also do it like this, using ranges:

.*[0-9].*[0-9].*

Link.

You may also consider using this:

\D*\d\D*\d

The \D will match anything that is not a digit character

Solution 3:[3]

It depends on your applications language, but this regex is the most general:

^(?=.*\d.*\d)

Not all application languages consider partial matches as "matching"; this regex will match no matter where in the input the two digits lie.

Solution 4:[4]

grep -E ".*[0-9].*[0-9].*" filename

Solution 5:[5]

You can use the following depending on the use case:

  1. ^(?=(?:\D*\d){2}).* - The restriction is implemented with a positive lookahead (anchored at the start of string) that requires any two (or more) digits anywhere inside the string (and the regex flavor supports lookaheads) - Regex demo #1
  2. ^([^0-9]*[0-9]){2}.* - The regex matches a string that starts with two sequences of any non-digit chars followed with a digit char and then contains any text (this pattern is POSIX ERE compliant, to make it POSIX BRE compliant, use ^\([^0-9]*[0-9]\)\{2\}.*) - Regex demo #2
  3. \d\D*\d - in case you simply want to make sure there is a digit + zero or more chars other than digits followed with a digit and the method you are using allows partial matches - Regex demo #3.

The first approach is best when you already have a complex pattern and you need to add an extra constraint.

The second one is good for POSIX regex engines.

The third one is best when you implement complex if-else logic for password and other validations with separate error messages per issue.

Solution 6:[6]

try this. [0-9].{2}

this will help to u

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1
Solution 2 Jerry
Solution 3 Bohemian
Solution 4
Solution 5 Wiktor Stribiżew
Solution 6

Related Questions