From 0b7cd36b26a1b1faf514ddd1a3ec773f81785f42 Mon Sep 17 00:00:00 2001
From: cjy <zczhyx2345@outlook.com>
Date: Tue, 6 Jan 2026 09:12:52 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A2=9E=E5=8A=A0=E8=AF=86=E5=88=AB?=
 =?UTF-8?q?=E6=A0=87=E7=AD=BE=E7=9A=84=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
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---
 pkg/utils/string.go | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/pkg/utils/string.go b/pkg/utils/string.go
index daa40b8..2924c28 100644
--- a/pkg/utils/string.go
+++ b/pkg/utils/string.go
@@ -1,6 +1,9 @@
 package utils
 
-import "strings"
+import (
+	"regexp"
+	"strings"
+)
 
 // CleanString 移除所有空白字符
 func CleanString(s string) string {
@@ -18,3 +21,23 @@ func TruncateString(s string, maxLen int) string {
 	}
 	return string(runes[:maxLen])
 }
+
+// ExtractTags 从文本中提取标签，标签以 # 开头，后面不能直接跟空格
+func ExtractTags(s string) []string {
+	if len(s) == 0 {
+		return []string{}
+	}
+	re := regexp.MustCompile(`#[^\s#\p{P}]+`)
+	matches := re.FindAllString(s, -1)
+
+	tags := make([]string, 0, len(matches))
+	for _, match := range matches {
+		// 去掉开头的 #，只保留标签内容
+		tag := match[1:]
+		if len(tag) > 0 {
+			tags = append(tags, tag)
+		}
+	}
+
+	return tags
+}