feat: implement GenFileNameFromMessage function for improved file naming

common/utils.go

@@ -3,6 +3,7 @@ package common
 import (
 	"crypto/md5"
 	"encoding/hex"
+	"regexp"
 )
 
 func HashString(s string) string {
@@ -10,3 +11,16 @@ func HashString(s string) string {
 	hash.Write([]byte(s))
 	return hex.EncodeToString(hash.Sum(nil))
 }
+
+var TagRe = regexp.MustCompile(`(?:^|[\p{Zs}\s.,!?(){}[\]<>\"\'，。！？（）：；、])#([\p{L}\d_]+)`)
+
+func ExtractTagsFromText(text string) []string {
+	matches := TagRe.FindAllStringSubmatch(text, -1)
+	tags := make([]string, 0)
+	for _, match := range matches {
+		if len(match) > 1 {
+			tags = append(tags, match[1])
+		}
+	}
+	return tags
+}