import Foundation
let pattern = #"\bfrom company\b.*?\K\b(?<!\$|[\d.])(?:\d++)\b"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
This is invoice from company XYZ - $1234545 product name 31h10 , $456.12 product number g456, 123f 456 information invoice unit cost $12.0 and invoice total $1343.00
This is invoice from company ABC - 1234545 product name and information invoice total cost $6777 and invoice unit cost $654
"""#
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