i forgot something

util.go

@@ -0,0 +1,24 @@
+package parser
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+func containsWord(s, substr string) (match bool) {
+	var err error
+	for _, field := range strings.Fields(s) {
+		match, err = regexp.MatchString(
+			fmt.Sprintf("^%s$", substr),
+			field,
+		)
+		if err != nil {
+			println(err)
+		}
+		if match {
+			return
+		}
+	}
+	return
+}