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Diffstat (limited to 'src/pkg/regexp/example_test.go')
-rw-r--r-- | src/pkg/regexp/example_test.go | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/src/pkg/regexp/example_test.go b/src/pkg/regexp/example_test.go deleted file mode 100644 index a4e0da8ea..000000000 --- a/src/pkg/regexp/example_test.go +++ /dev/null @@ -1,148 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package regexp_test - -import ( - "fmt" - "regexp" -) - -func Example() { - // Compile the expression once, usually at init time. - // Use raw strings to avoid having to quote the backslashes. - var validID = regexp.MustCompile(`^[a-z]+\[[0-9]+\]$`) - - fmt.Println(validID.MatchString("adam[23]")) - fmt.Println(validID.MatchString("eve[7]")) - fmt.Println(validID.MatchString("Job[48]")) - fmt.Println(validID.MatchString("snakey")) - // Output: - // true - // true - // false - // false -} - -func ExampleMatchString() { - matched, err := regexp.MatchString("foo.*", "seafood") - fmt.Println(matched, err) - matched, err = regexp.MatchString("bar.*", "seafood") - fmt.Println(matched, err) - matched, err = regexp.MatchString("a(b", "seafood") - fmt.Println(matched, err) - // Output: - // true <nil> - // false <nil> - // false error parsing regexp: missing closing ): `a(b` -} - -func ExampleRegexp_FindString() { - re := regexp.MustCompile("fo.?") - fmt.Printf("%q\n", re.FindString("seafood")) - fmt.Printf("%q\n", re.FindString("meat")) - // Output: - // "foo" - // "" -} - -func ExampleRegexp_FindStringIndex() { - re := regexp.MustCompile("ab?") - fmt.Println(re.FindStringIndex("tablett")) - fmt.Println(re.FindStringIndex("foo") == nil) - // Output: - // [1 3] - // true -} - -func ExampleRegexp_FindStringSubmatch() { - re := regexp.MustCompile("a(x*)b(y|z)c") - fmt.Printf("%q\n", re.FindStringSubmatch("-axxxbyc-")) - fmt.Printf("%q\n", re.FindStringSubmatch("-abzc-")) - // Output: - // ["axxxbyc" "xxx" "y"] - // ["abzc" "" "z"] -} - -func ExampleRegexp_FindAllString() { - re := regexp.MustCompile("a.") - fmt.Println(re.FindAllString("paranormal", -1)) - fmt.Println(re.FindAllString("paranormal", 2)) - fmt.Println(re.FindAllString("graal", -1)) - fmt.Println(re.FindAllString("none", -1)) - // Output: - // [ar an al] - // [ar an] - // [aa] - // [] -} - -func ExampleRegexp_FindAllStringSubmatch() { - re := regexp.MustCompile("a(x*)b") - fmt.Printf("%q\n", re.FindAllStringSubmatch("-ab-", -1)) - fmt.Printf("%q\n", re.FindAllStringSubmatch("-axxb-", -1)) - fmt.Printf("%q\n", re.FindAllStringSubmatch("-ab-axb-", -1)) - fmt.Printf("%q\n", re.FindAllStringSubmatch("-axxb-ab-", -1)) - // Output: - // [["ab" ""]] - // [["axxb" "xx"]] - // [["ab" ""] ["axb" "x"]] - // [["axxb" "xx"] ["ab" ""]] -} - -func ExampleRegexp_FindAllStringSubmatchIndex() { - re := regexp.MustCompile("a(x*)b") - // Indices: - // 01234567 012345678 - // -ab-axb- -axxb-ab- - fmt.Println(re.FindAllStringSubmatchIndex("-ab-", -1)) - fmt.Println(re.FindAllStringSubmatchIndex("-axxb-", -1)) - fmt.Println(re.FindAllStringSubmatchIndex("-ab-axb-", -1)) - fmt.Println(re.FindAllStringSubmatchIndex("-axxb-ab-", -1)) - fmt.Println(re.FindAllStringSubmatchIndex("-foo-", -1)) - // Output: - // [[1 3 2 2]] - // [[1 5 2 4]] - // [[1 3 2 2] [4 7 5 6]] - // [[1 5 2 4] [6 8 7 7]] - // [] -} - -func ExampleRegexp_ReplaceAllLiteralString() { - re := regexp.MustCompile("a(x*)b") - fmt.Println(re.ReplaceAllLiteralString("-ab-axxb-", "T")) - fmt.Println(re.ReplaceAllLiteralString("-ab-axxb-", "$1")) - fmt.Println(re.ReplaceAllLiteralString("-ab-axxb-", "${1}")) - // Output: - // -T-T- - // -$1-$1- - // -${1}-${1}- -} - -func ExampleRegexp_ReplaceAllString() { - re := regexp.MustCompile("a(x*)b") - fmt.Println(re.ReplaceAllString("-ab-axxb-", "T")) - fmt.Println(re.ReplaceAllString("-ab-axxb-", "$1")) - fmt.Println(re.ReplaceAllString("-ab-axxb-", "$1W")) - fmt.Println(re.ReplaceAllString("-ab-axxb-", "${1}W")) - // Output: - // -T-T- - // --xx- - // --- - // -W-xxW- -} - -func ExampleRegexp_SubexpNames() { - re := regexp.MustCompile("(?P<first>[a-zA-Z]+) (?P<last>[a-zA-Z]+)") - fmt.Println(re.MatchString("Alan Turing")) - fmt.Printf("%q\n", re.SubexpNames()) - reversed := fmt.Sprintf("${%s} ${%s}", re.SubexpNames()[2], re.SubexpNames()[1]) - fmt.Println(reversed) - fmt.Println(re.ReplaceAllString("Alan Turing", reversed)) - // Output: - // true - // ["" "first" "last"] - // ${last} ${first} - // Turing Alan -} |