Alpha. Vary is under active development and not ready for production use. Syntax, APIs, performance, and behaviour may change between releases.

Regex

let re = Regex.compile("(\\w+)\\s+(\\w+)")
let m = re.find("hello world")
if m is not None {
    print(m!!.group(0))         # hello world
    print(m!!.group(1))         # hello
    print(m!!.group(2))         # world
}

let digits = Regex.compile("\\d+")
let matches = digits.find_all("abc 123 def 456")
print(len(matches))             # 2

Method	Returns	Description
`Regex.compile(pattern)`	`Regex`	Compile a regex
`.find(input)`	`Match?`	First match
`.find_all(input)`	`List[Match]`	All non-overlapping matches
`.replace_all(input, replacement)`	`Str`	Replace all matches
`.replace_first(input, replacement)`	`Str`	Replace first match
`.group(index)`	`Str?`	Capture group (0 = full match)
`.groups()`	`List[Str?]`	All groups