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import util.matching._
object Test {
def main(args: Array[String]) {
replacementMatching
groupsMatching
}
def replacementMatching {
val regex = """\$\{(.+?)\}""".r
val replaced = regex.replaceAllMatchesIn("Replacing: ${main}. And another method: ${foo}.",
(m: util.matching.Regex.Match) => {
val identifier = m.group(1)
identifier
})
assert(replaced == "Replacing: main. And another method: foo.")
val regex2 = """\$\{(.+?)\}""".r
val replaced2 = regex2.replaceAllIn("Replacing: ${main}. And then one more: ${bar}.", (s: String) => {
"$1"
})
assert(replaced2 == "Replacing: main. And then one more: bar.")
}
def groupsMatching {
val Date = """(\d+)/(\d+)/(\d+)""".r
for (Regex.Groups(a, b, c) <- Date findFirstMatchIn "1/1/2001 marks the start of the millenium. 31/12/2000 doesn't.") {
assert(a == "1")
assert(b == "1")
assert(c == "2001")
}
for (Regex.Groups(a, b, c) <- (Date findAllIn "1/1/2001 marks the start of the millenium. 31/12/2000 doesn't.").matchData) {
assert(a == "1" || a == "31")
assert(b == "1" || b == "12")
assert(c == "2001" || c == "2000")
}
}
}
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