test(regularMatch): 添加中文正则匹配测试

go/testing/regularMatch/regexp_test.go

@@ -0,0 +1,21 @@
+package regularmatch
+
+import (
+	"regexp"
+	"testing"
+)
+
+func TestChineseRegExp(t *testing.T) {
+	reg, err := regexp.Compile("[\u4e00-\u9fa5]")
+	if err != nil {
+		t.Errorf("Failed to compile regex: %v", err)
+	}
+	matchStrSlice := reg.FindAllString("hello 世界", -1)
+
+	if len(matchStrSlice) != 2 {
+		t.Errorf("Expected 2 matches, got %d", len(matchStrSlice))
+	}
+	if matchStrSlice[0] != "世" || matchStrSlice[1] != "界" {
+		t.Errorf("Expected [世, 界], got %v", matchStrSlice)
+	}
+}