diff --git a/skillls/parsing/iterative.py b/skillls/parsing/iterative.py
index f2e3635..899f2e4 100644
--- a/skillls/parsing/iterative.py
+++ b/skillls/parsing/iterative.py
@@ -64,7 +64,7 @@ class StackElement(NamedTuple):
 WHITESPACE_OR_PAREN = re.compile(r"(\s|\(|\)|\[|\]|\'\()+")
 TOKEN_REGEX = re.compile(r"\w[a-zA-Z0-9_]*")
 NUMBER_REGEX = re.compile(r"\d+(\.\d+)?")
-OPERATORS = re.compile(r"(->|~>|\+|\-|\*|\/|\=)")
+OPERATORS = re.compile(r"(->|~>|\+|\-|\*|\/|\=|\|\||\&\&)")
 
 
 @dataclass