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author | Matthew Broberg <gogetmb@gmail.com> | 2017-07-15 17:40:29 -0600 |
---|---|---|
committer | Brad Fitzpatrick <bradfitz@golang.org> | 2018-06-12 22:37:01 +0000 |
commit | 3885e864114f9e45ed7d4322e0d802b897124c37 (patch) | |
tree | be05d407bf064ce3e8629e3165b69723cb780193 /src/regexp | |
parent | 2cf9732e8aae92edfa55a8d0e3cebea9154aced7 (diff) | |
download | go-3885e864114f9e45ed7d4322e0d802b897124c37.tar.gz go-3885e864114f9e45ed7d4322e0d802b897124c37.zip |
regexp: add QuoteMeta example
Change-Id: I0bbb53cad9a7c464ab1cfca381128f33496813ff
Reviewed-on: https://go-review.googlesource.com/49130
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/regexp')
-rw-r--r-- | src/regexp/example_test.go | 6 | ||||
-rw-r--r-- | src/regexp/regexp.go | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/src/regexp/example_test.go b/src/regexp/example_test.go index 0bf1f6bee7..eb8cd4ea94 100644 --- a/src/regexp/example_test.go +++ b/src/regexp/example_test.go @@ -38,6 +38,12 @@ func ExampleMatchString() { // false error parsing regexp: missing closing ): `a(b` } +func ExampleQuoteMeta() { + fmt.Println(regexp.QuoteMeta("Escaping symbols like: .+*?()|[]{}^$")) + // Output: + // Escaping symbols like: \.\+\*\?\(\)\|\[\]\{\}\^\$ +} + func ExampleRegexp_FindString() { re := regexp.MustCompile("foo.?") fmt.Printf("%q\n", re.FindString("seafood fool")) diff --git a/src/regexp/regexp.go b/src/regexp/regexp.go index 09faced8f3..0d10aa1e22 100644 --- a/src/regexp/regexp.go +++ b/src/regexp/regexp.go @@ -616,9 +616,9 @@ func init() { } } -// QuoteMeta returns a string that quotes all regular expression metacharacters +// QuoteMeta returns a string that escapes all regular expression metacharacters // inside the argument text; the returned string is a regular expression matching -// the literal text. For example, QuoteMeta(`[foo]`) returns `\[foo\]`. +// the literal text. func QuoteMeta(s string) string { // A byte loop is correct because all metacharacters are ASCII. var i int |