.package(url: "https://github.com/sindresorhus/Regex", from: "0.1.0")

import Regex

Regex(#"\d+"#).isMatched(by: "123")
//=> true

Regex(#"\d+"#).firstMatch(in: "123-456")?.value
//=> "123"

Regex(#"\d+"#).allMatches(in: "123-456").map(\.value)
//=> ["123", "456"]

"123🦄456".replacingFirstMatch(of: #"\d+"#, with: "")
//=> "🦄456"

"123🦄456".replacingAllMatches(of: #"\d+"#, with: "")
//=> "🦄"

let regex = Regex(#"\d+(?<word>[a-z]+)\d+"#)

regex.firstMatch(in: "123unicorn456")?.group(named: "word")?.value
//=> "unicorn"

switch "foo123" {
case Regex(#"^foo\d+$"#):
	print("Match!")
default:
	break
}

switch Regex(#"^foo\d+$"#) {
case "foo123":
	print("Match!")
default:
	break
}

let regex = Regex(
	#"""
	^
	[a-z]+  # Match the word
	\d+     # Match the number
	$
	"""#,
	options: .allowCommentsAndWhitespace
)

regex.isMatched(by: "foo123")
//=> true