import Foundation
let pattern = #"^\[Error: +(?<source_path>(?<file>[^\s\n](?:[^\n:\\]+|\\.)+?)(?::(?<line>\d+)(?::(?<column>\d+)))?) *$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
/usr/local/lib/node_modules/stylus/bin/stylus:685
throw err;
^
[Error: /Users/user/path/to/stylus/file/invalid.styl:34:5
30| ==/UserStyle== */
31|
32| @-moz-document regexp("https?://(www\\.)?typescriptlang.org/(v2/)?docs.*$"),
33| regexp("https?://(www\\.)?(staging-)?typescript\\.org/docs/.*$")
34| error("compile error")
-----------^
35|
compile error
] {
fromStylus: true,
lineno: 34,
column: 5,
filename: '/Users/disk0/git.local/stylus-stylus/static/test/testFiles/invalid.styl',
stylusStack: '',
input: '/* ==UserStyle==\n' +
'@name TypeScript Docs\n' +
'@description Expands width of code blocks and moves navigation bar fully to the left\n' +
'@version 0.0.12\n' +
'@namespace github.com/disk0/stylus/typescript.org/docs\n' +
'\n' +
'@author disk0 (github.com/disco0)\n' +
'@license MIT\n' +
'\n' +
'@preprocessor stylus\n' +
'\n' +
'@var select CodeFont "Font for code displayed on page." [\n' +
' "Iosevka Extended*",\n' +
' "Iosevka Expanded",\n' +
' "Iosevka Term",\n' +
' "Iosevka",\n' +
'\n' +
' "SemanticHaskell",\n' +
' "SemanticJavascript",\n' +
' "SemanticCode",\n' +
' "Hasklig",\n' +
'\n' +
' "PragmataPro Mono Liga",\n' +
'\n' +
' "monospace"\n' +
']\n' +
'@var number CodeFontSize "Size of code in documentation" [ 14, 1, 500, 1, "px" ]\n' +
'@var number CodeFontWeight "Code font weight" [ 400, 100, 900, 100 ]\n' +
'@var number DocTextWidth "Width of text content in documentation" [ 1000, 300, 5000, 100, "px" ]\n' +
'==/UserStyle== */\n' +
'\n' +
'@-moz-document regexp("https?://(www\\\\.)?typescriptlang.org/(v2/)?docs.*$"),\n' +
'\t regexp("https?://(www\\\\.)?(staging-)?typescript\\\\.org/docs/.*$")\n' +
' error("compile error")\n'
}
"""#
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