1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
import util.matching._
object Test {
def main(args: Array[String]) {
replacementMatching
groupsMatching
}
def replacementMatching {
val regex = """\$\{(.+?)\}""".r
val replaced = regex.replaceAllIn("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 regex3 = """\$\{(.+?)\}""".r
val replaced3 = regex3.replaceSomeIn("Replacing: ${main}. And another: ${foo}.", (m: util.matching.Regex.Match) => {
val id = m.group(1)
if (id.startsWith("m")) Some(id) else None
})
assert(replaced3 == "Replacing: main. And another: ${foo}.")
}
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")
}
}
}
|
