backport regex patch

process-intelligence-solutions · Dec 1, 2024 · 1a58385 · 1a58385
1 parent 102c5fa
commit 1a58385
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pm4py/algo/filtering/common/traces/infix_to_regex.py b/pm4py/algo/filtering/common/traces/infix_to_regex.py
@@ -1,3 +1,5 @@
+from re import escape
+
 def translate_infix_to_regex(infix):
     regex = "^"
     for i, act in enumerate(infix):
@@ -8,6 +10,9 @@ def translate_infix_to_regex(infix):
             else:
                 regex = f"{regex}([^,]*,)*"
         else:
+            if act: 
+                act = escape(act)
+
             if is_last_activity:
                 regex = f"{regex}{act}"
             else: