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regexp: add example for ReplaceAll

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Updates #21450

Change-Id: Ia31c20b52bae5daeb33d918234c2f0944a8aeb07
GitHub-Last-Rev: cc85544770
GitHub-Pull-Request: golang/go#33489
Reviewed-on: https://go-review.googlesource.com/c/go/+/189137
Run-TryBot: Sylvain Zimmer <sylvinus@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
psampaz 2019-08-06 16:56:33 +00:00 committed by Ian Lance Taylor
parent 547021d723
commit 2b6b474f64
1 changed files with 13 additions and 0 deletions
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13
src/regexp/example_test.go
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@ -181,6 +181,19 @@ func ExampleRegexp_MatchString() {
// true // true
} }
func ExampleRegexp_ReplaceAll() {
re := regexp.MustCompile(`a(x*)b`)
fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("T")))
fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("$1")))
fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("$1W")))
fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("${1}W")))
// Output:
// -T-T-
// --xx-
// ---
// -W-xxW-
}
func ExampleRegexp_ReplaceAllLiteralString() { func ExampleRegexp_ReplaceAllLiteralString() {
re := regexp.MustCompile(`a(x*)b`) re := regexp.MustCompile(`a(x*)b`)
fmt.Println(re.ReplaceAllLiteralString("-ab-axxb-", "T")) fmt.Println(re.ReplaceAllLiteralString("-ab-axxb-", "T"))