👌 Improve performance of "text" inline rule

Author: hukkin

markdown_it/rules_inline/text.py

@@ -1,3 +1,5 @@
+import re
+
 # Skip text characters for text token, place those to pending buffer
 # and increment current pos
 from .state_inline import StateInline
@@ -34,13 +36,15 @@
     "}",
     "~",
 }
+_RE_TERMINATOR_CHAR = re.compile("[" + re.escape("".join(_TerminatorChars)) + "]")
 
 
 def text(state: StateInline, silent: bool) -> bool:
     pos = state.pos
     posMax = state.posMax
-    while (pos < posMax) and state.src[pos] not in _TerminatorChars:
-        pos += 1
+
+    terminator_char = _RE_TERMINATOR_CHAR.search(state.src, pos)
+    pos = terminator_char.start() if terminator_char else posMax
 
     if pos == state.pos:
         return False