bytes: add function to get indexes of word in string

Unlike Indexes, the word parameter must be separated by space or placed
at beginning or end of string.

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/bytes/bytes_example_test.go b/lib/bytes/bytes_example_test.go
index 06b96146..dcb0e1ec 100644
--- a/lib/bytes/bytes_example_test.go
+++ b/lib/bytes/bytes_example_test.go
@@ -128,3 +128,13 @@ func ExampleTokenFind() {
 	fmt.Printf("%d\n", at)
 	// Output: 7
 }
+
+func ExampleWordIndexes() {
+	s := []byte("moo moomoo moo")
+	token := []byte("moo")
+
+	idxs := WordIndexes(s, token)
+	fmt.Println(idxs)
+	// Output:
+	// [0 11]
+}