import Foundation
let pattern = #"([a-zA-Z0-9\._%+-]+@[a-zA-Z0-9\.-]+\.[a-zA-Z]{2,4})[\ \:\;\?\!]?"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
I got this plain text from wich I want to delete all email adresses (or replace by E). I want to keep everything else in the text file. The email adresses can be followed by a space, colon, semicolon, question or exclamation mark.
1.aasdf@blub.de
I work with 2.blub@blub.de gnuwin and tried grep but didn't got the right result
I got this plain text from wich I want to delete all email adresses (or replace by E). I want to keep everything else in the text
3.blub@blub.de file. The email adresses can be followed by a space, colon, semicolon, question or exclamation mark. I work with gnuwin and 4.blub.blub@blub.sdff de tried grep but didn't got the right result
5.blub@blub.de
"""#
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