Merge pull request #57617 from bruvzg/char_cleanup

3 files changed, 7 insertions, 11 deletions

diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index cef505181a..7e0019faac 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -462,10 +462,6 @@ EditorMaterialPreviewPlugin::~EditorMaterialPreviewPlugin() {
 
 ///////////////////////////////////////////////////////////////////////////
 
-static bool _is_text_char(char32_t c) {
-	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
-}
-
 bool EditorScriptPreviewPlugin::handles(const String &p_type) const {
 	return ClassDB::is_parent_class(p_type, "Script");
 }
@@ -538,15 +534,15 @@ Ref<Texture2D> EditorScriptPreviewPlugin::generate(const RES &p_from, const Size
 				if (in_comment) {
 					color = comment_color;
 				} else {
-					if (c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t')) {
+					if (is_symbol(c)) {
 						//make symbol a little visible
 						color = symbol_color;
 						in_control_flow_keyword = false;
 						in_keyword = false;
-					} else if (!prev_is_text && _is_text_char(c)) {
+					} else if (!prev_is_text && is_ascii_identifier_char(c)) {
 						int pos = i;
 
-						while (_is_text_char(code[pos])) {
+						while (is_ascii_identifier_char(code[pos])) {
 							pos++;
 						}
 						String word = code.substr(i, pos - i);
@@ -556,7 +552,7 @@ Ref<Texture2D> EditorScriptPreviewPlugin::generate(const RES &p_from, const Size
 							in_keyword = true;
 						}
 
-					} else if (!_is_text_char(c)) {
+					} else if (!is_ascii_identifier_char(c)) {
 						in_keyword = false;
 					}
 
@@ -571,7 +567,7 @@ Ref<Texture2D> EditorScriptPreviewPlugin::generate(const RES &p_from, const Size
 				img->set_pixel(col, y0 + line * 2, bg_color.blend(ul));
 				img->set_pixel(col, y0 + line * 2 + 1, color);
 
-				prev_is_text = _is_text_char(c);
+				prev_is_text = is_ascii_identifier_char(c);
 			}
 			col++;
 		} else {
diff --git a/editor/plugins/tiles/tile_map_editor.cpp b/editor/plugins/tiles/tile_map_editor.cpp
index 89027b174d..b878494559 100644
--- a/editor/plugins/tiles/tile_map_editor.cpp
+++ b/editor/plugins/tiles/tile_map_editor.cpp
@@ -3735,7 +3735,7 @@ void TileMapEditor::_move_tile_map_array_element(Object *p_undo_redo, Object *p_
 			String str = pi.name.trim_prefix(p_array_prefix);
 			int to_char_index = 0;
 			while (to_char_index < str.length()) {
-				if (str[to_char_index] < '0' || str[to_char_index] > '9') {
+				if (!is_digit(str[to_char_index])) {
 					break;
 				}
 				to_char_index++;
diff --git a/editor/plugins/tiles/tile_set_editor.cpp b/editor/plugins/tiles/tile_set_editor.cpp
index be261927ee..ab355d4658 100644
--- a/editor/plugins/tiles/tile_set_editor.cpp
+++ b/editor/plugins/tiles/tile_set_editor.cpp
@@ -458,7 +458,7 @@ void TileSetEditor::_move_tile_set_array_element(Object *p_undo_redo, Object *p_
 			String str = pi.name.trim_prefix(p_array_prefix);
 			int to_char_index = 0;
 			while (to_char_index < str.length()) {
-				if (str[to_char_index] < '0' || str[to_char_index] > '9') {
+				if (!is_digit(str[to_char_index])) {
 					break;
 				}
 				to_char_index++;