🎨 Remove invisible characters when entering document title https://github.com/siyuan-note/siyuan/issues/9493

kernel/util/rune.go

@@ -0,0 +1,48 @@
+// SiYuan - Refactor your thinking
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package util
+
+import (
+	"regexp"
+
+	"github.com/88250/gulu"
+)
+
+var emojiRegex = regexp.MustCompile(`/([0-9#][\x{20E3}])|` +
+	`[\x{00ae}\x{00a9}\x{203C}\x{2047}\x{2048}\x{2049}\x{3030}\x{303D}\x{2139}\x{2122}\x{3297}\x{3299}]|` +
+	`[\x{2190}-\x{21FF}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{2300}-\x{23FF}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{2460}-\x{24FF}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{25A0}-\x{25FF}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{2600}-\x{27BF}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{2900}-\x{297F}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{2B00}-\x{2BF0}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{1F000}-\x{1F6FF}]|[\x{FE00}-\x{FEFF}]|` +
+	`[\x{1F600}-\x{1F64F}]|` +
+	`[\x{1F680}-\x{1F6FF}]|` +
+	`[\x{1F900}-\x{1F9FF}]|` +
+	`[\x{1F1E0}-\x{1F1FF}]|` +
+	`[\x{1D100}-\x{1D1FF}]|` +
+	`[\x{2600}-\x{26FF}]|` +
+	`[\x{2700}-\x{27BF}]|` +
+	`[\x{10000}-\x{E01EF}]`)
+
+func RemoveEmojiInvisible(text string) (ret string) {
+	ret = emojiRegex.ReplaceAllString(text, "")
+	ret = gulu.Str.RemoveInvisible(ret)
+	return
+}