refactor parser packages

internal/adapter/parser/schedule/extract.go

@@ -0,0 +1,24 @@
+package schedule
+
+import (
+	"regexp"
+	"strings"
+)
+
+func extract(data string, exp *regexp.Regexp) map[string]string {
+	match := exp.FindStringSubmatch(data)
+	if len(match) > 0 {
+		return extractData(match, exp)
+	}
+	return nil
+}
+
+func extractData(match []string, re *regexp.Regexp) map[string]string {
+	data := make(map[string]string)
+	for i, name := range re.SubexpNames() {
+		if i != 0 && name != "" {
+			data[name] = strings.TrimSpace(match[i])
+		}
+	}
+	return data
+}