import Foundation
let pattern = #"(?<![a-zA-Z0-9])mini(?![a-zA-Z0-9])"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
mini
mini abc
mini-abc (- could be anything else but not [a-zA-Z0-9])
abc mini
abc-mini (- could be anything else but [a-zA-Z0-9])
abc mini abc
abcminiabc-mini (- could be anything else but not [a-zA-Z0-9])
mini-abcminiabc (- could be anything else but not [a-zA-Z0-9])
miniabc-mini (- could be anything else but not [a-zA-Z0-9])
mini-miniabc (- could be anything else but not [a-zA-Z0-9])
abcmin-mini (- could be anything else but not [a-zA-Z0-9])
mini-abcmini (- could be anything else but not [a-zA-Z0-9])
miniabc
abcmini
abcminiabc
"""#
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