import Foundation
let pattern = #"timeout\shttp-request\s+\d+(?=[\s\S]+defaults)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = ##"""
global
log 127.0.0.1 local0
log 127.0.0.1 local1 notice
#log loghost local0 info
maxconn 32768
tune.maxaccept -1
chroot /var/lib/haproxy
daemon
timeout http-request 5000
stats socket /var/run/haproxy.sock mode 600 level admin
stats timeout 2m
defaults
log global
mode http
option httplog
option dontlognull
retries 5
option redispatch
maxconn 16384
timeout connect 7s
timeout client 500s
timeout server 500s
timeout http-request 7000
timeout client-fin 30s
timeout tunnel 1h
"""##
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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