import Foundation
let pattern = ##"^(?:<#.*?#>|[^#])*(#.*)?"##
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = ##"""
-----------------
---MATCH CASES---
------------------------------------------------
$text = "Hello"\t# Comment after tab
$text+= #Comment without space after hash
Write-Host $text# Comment without space before hash
#Comment line with no whitespaces around'
Write-Host "Hello"#Comment in the end with no whitespaces around'
# Comment with whitespaces around '
# Consecutive comments
# Last line comment without line ending in the end
$text+= #Comment with < inside
$text+= #Comment ending with >
$text+= #Comment with <# inline comment #>
# Normal comment
Write-Host "Comment without text" #
An <# inline comment #> preceding a #comment
An <# inline # comment containing a # #> preceding a #comment
Two <# inline #> comments <# to be #> skipped # comment
--------------------
---NO MATCH CASES---
------------------------------------------------
Write-Host "Hello"
Write-Host "World"
Write-Host "Non-empty line"
$text = "Hello" <# block comment #> + "World"
$text = "Hello" +<#comment#>"World"
<# Block comment in a line #>
Write-Host "Hello world <# Block comment in the end of line #>
"""##
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