"these series are only required to occupy adjacent positions in the input; the digits need not be numerically consecutive" what does it mean? show examples in ruby

The statement means that the series of digits should be next to each other in the given input, but the digits themselves do not need to be consecutive in terms of their numerical values. In other words, the digits can be non-consecutive as long as they are adjacent to each other within the input string.

Here's an example in Ruby using regular expressions to extract the series of digits:

main.rb
input = "A12B34C"

series = input.scan(/\d+/)
puts series
58 chars
5 lines

Output:

main.rb
["12", "34"]
13 chars
2 lines

In the given example, the input string "A12B34C" contains two series of digits: "12" and "34". By using the scan method with the regular expression \d+, we can extract all the series of digits from the input string. The resulting series array contains the extracted series of digits.

Note that the digits themselves ("1", "2", "3", and "4") are not consecutive numerically, but they are adjacent to each other within the input string.