Add example for sqlite3_with_extensions

example/extension/extension.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	_ "github.com/mattn/go-sqlite3"
+	"log"
+)
+
+func main() {
+	db, err := sql.Open("sqlite3_with_extensions", ":memory:")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	_, err = db.Exec("select load_extension('sqlite3_mod_regexp.dll')")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	rows, err := db.Query("select 'hello world' where 'hello world' regexp '^hello.*d$'")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var helloworld string
+		rows.Scan(&helloworld)
+		fmt.Println(helloworld)
+	}
+}