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) } }