import Foundation
let pattern = #"(struct\s*\w+.*?(?=fn))(fn.*?(?=\),)\)).*?(?=fn)(fn.*?\))(?=\R\))"#
let regex = try! NSRegularExpression(pattern: pattern, options: .dotMatchesLineSeparators)
let testString = ##"""
struct mbuh
(
lineshg = 0,
tres = "text",
fn track all:#() =
(
local c -- clone
local lpoint = [0,0,0] -- previous point created
local ccoll = #() -- array for created objects
local prev = [0,0] -- var for alt distance changing
),
fn listzfun trs:123 x:#() =
(
obj = snapshotasmesh a
min_vz = max_vz = in coordsys world (getvert obj 1).z
min_vx = max_vx = in coordsys world (getvert obj 1).x
min_vy = max_vy = in coordsys world (getvert obj 1).y
)
)
struct mbuh
(
lineshg = 0,
tres = "text",
fn track all:#() =
(
local c -- clone
local lpoint = [0,0,0] -- previous point created
local ccoll = #() -- array for created objects
local prev = [0,0] -- var for alt distance changing
),
fn listzfun trs:123 x:#() =
(
obj = snapshotasmesh a
min_vz = max_vz = in coordsys world (getvert obj 1).z
min_vx = max_vx = in coordsys world (getvert obj 1).x
min_vy = max_vy = in coordsys world (getvert obj 1).y
)
)
fn brung man: =
(
)
"""##
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let matches = regex.matches(in: testString, range: stringRange)
var result: [[String]] = []
for match in matches {
var groups: [String] = []
for rangeIndex in 1 ..< match.numberOfRanges {
let nsRange = match.range(at: rangeIndex)
guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue }
let string = (testString as NSString).substring(with: nsRange)
groups.append(string)
}
if !groups.isEmpty {
result.append(groups)
}
}
print(result)
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression