Use Python regex for spell checking

novelwriter/constants.py

@@ -23,6 +23,8 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 """
 from __future__ import annotations
 
+from re import UNICODE, compile
+
 from PyQt5.QtCore import QT_TRANSLATE_NOOP, QCoreApplication
 
 from novelwriter.enum import (
@@ -66,6 +68,10 @@ class nwRegEx:
     FMT_SC = r"(?i)(?<!\\)(\[[\/\!]?(?:b|i|s|u|m|sup|sub)\])"
     FMT_SV = r"(?i)(?<!\\)(\[(?:footnote):)(.+?)(?<!\\)(\])"
 
+    RX_WORDS = compile(r"\b([^\s\-\+\/–—\[\]:]+)\b", UNICODE)
+    RX_FMT_SC = compile(r"(?i)(?<!\\)(\[[\/\!]?(?:b|i|s|u|m|sup|sub)\])", UNICODE)
+    RX_FMT_SV = compile(r"(?i)(?<!\\)(\[(?:footnote):)(.+?)(?<!\\)(\])", UNICODE)
+
 
 class nwShortcode: