我需要从一个字符串中提取数字,例如“(1,1)(3,3)(4,4)”。我尝试使用“\d(,)\d)”进行提取,但逗号也被提取了。如何排除逗号并创建一个元组或数组的数组[[1,1],[3,3]...]?
let str = "(1,1) (2,2) (3,3)"
let pattern = "\\d(,)\\d"
let regex = try! NSRegularExpression(pattern:pattern)
let results = regex.matches(in: str, options: [], range: range)
\d+
有什么问题呢? - MonkeyZeus