import Foundation
let pattern = #"(\:\w+\:|\<[\/\\]?3|[\(\)\\\D|\*\$][\-\^]?[\:\;\=]|[\:\;\=B8][\-\^]?[3DOPp\@\$\*\\\)\(\/\|])(?=\s|[\!\.\?]|$)"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
:( Hello!
Howdy :)!
Are you there :P?
I'm fine :)
:p
:O
:3
:|
:/
:\
:$
:*
:@
:-(
:-)
:-P
:-p
:-O
:-3
:-|
:-/
:-\
:-$
:-*
:-@
:^(
:^)
:^P
:^p
:^O
:^3
:^|
:^/
:^\
:^$
:^*
:^@
):
(:
$:
*:
)-:
(-:
$-:
*-:
)^:
(^:
$^:
*^:
<3
</3
<\3
:smile:
:hug:
:pencil:
"""#
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