import Foundation
let pattern = #"\p{Cf}"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
CHARACTER_TABULATION [ ]
LINE_FEED [
]
LINE_TABULATION [ ]
FORM_FEED [ ]
]
SPACE [ ]
NEXT_LINE [
]
NON_BREAKING_SPACE [ ]
OGHAM_SPACE_MARK [ ]
EN_QUAD [ ]
EM_QUAD [ ]
EN_SPACE [ ]
EM_SPACE [ ]
THREE_PER_EM_SPACE [ ]
FOUR_PER_EM_SPACE [ ]
SIX_PER_EM_SPACE [ ]
FIGURE_SPACE [ ]
PUNCTUATION_SPACE [ ]
THIN_SPACE [ ]
HAIR_SPACE [ ]
LINE_SEPARATOR [
]
PARAGRAPH_SEPARATOR [
]
NARROW_NON_BREAKING_SPACE [ ]
MEDIUM_MATHEMATICAL_SPACE [ ]
IDEOGRAPHIC_SPACE [ ]
MONGOLIAN_VOWEL_SEPARATOR []
ZERO_WIDTH_SPACE []
ZERO_WIDTH_NON_JOINER []
ZERO_WIDTH_JOINER []
WORD_JOINER []
ZERO_WIDTH_NON_BREAKING_SPACE []
INFORMATION_SEPARATOR_1 [ ]
INFORMATION_SEPARATOR_2 [ ]
INFORMATION_SEPARATOR_3 [ ]
INFORMATION_SEPARATOR_4 [ ]
LEFT_TO_RIGHT_MARK []
RIGHT_TO_LEFT_MARK []
"""#
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