Return separate characters in the same result

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Return separate characters in the same result

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#1 by (0 votes)

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Is it possible to get two characters that are in different positions inside the string in the same match (preferably the last one)?

For example:

"xxxx a 12 b " - > "ab"

"xyxyyxxxxx c 23 d " - > "cd"

I know where the characters are in relation to the end of the string. Using the% regex with% get the two separated. I would like to return them in the same result.

javascript regex

asked by anonymous 30.12.2015 / 19:22

1 answer

Open only one instance firebird execute statement within an exists

score 0 · Accepted Answer

Apparently it is not possible to return on the same result. In my case the solution is to concatenate the matches from the second. That way it works for a regex that returns 1, 2 or more results.

For the example question (in JS):

r = /(.)..(.)$/;
s1 = "xxxxa12b";
m = r.exec(a); // ["a12b", "a", "b"]
s2 = m.slice(1).join(""); // "ab"