From 16d317fed7b47e0731a27ca8c13af00a2055aa32 Mon Sep 17 00:00:00 2001
From: Fu Hanxi <hfudev@gmail.com>
Date: Tue, 30 Apr 2024 13:11:34 +0200
Subject: [PATCH] markers: support new ident '|'

---
 AUTHORS                         | 1 +
 changelog/12277.improvement.rst | 1 +
 src/_pytest/mark/expression.py  | 4 ++--
 3 files changed, 4 insertions(+), 2 deletions(-)
 create mode 100644 changelog/12277.improvement.rst

diff --git a/AUTHORS b/AUTHORS
index 4f61c0591..61f721dc0 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -156,6 +156,7 @@ Florian Bruhin
 Florian Dahlitz
 Floris Bruynooghe
 Fraser Stark
+Fu Hanxi
 Gabriel Landau
 Gabriel Reis
 Garvit Shubham
diff --git a/changelog/12277.improvement.rst b/changelog/12277.improvement.rst
new file mode 100644
index 000000000..bf03b1c29
--- /dev/null
+++ b/changelog/12277.improvement.rst
@@ -0,0 +1 @@
+Supported vertical bar ``|`` inside a marker.
diff --git a/src/_pytest/mark/expression.py b/src/_pytest/mark/expression.py
index 78b7fda69..1b1f8a765 100644
--- a/src/_pytest/mark/expression.py
+++ b/src/_pytest/mark/expression.py
@@ -6,7 +6,7 @@ expression: expr? EOF
 expr:       and_expr ('or' and_expr)*
 and_expr:   not_expr ('and' not_expr)*
 not_expr:   'not' not_expr | '(' expr ')' | ident
-ident:      (\w|:|\+|-|\.|\[|\]|\\|/)+
+ident:      (\w|:|\+|-|\.|\[|\]|\\|/|\|)+
 
 The semantics are:
 
@@ -86,7 +86,7 @@ class Scanner:
                 yield Token(TokenType.RPAREN, ")", pos)
                 pos += 1
             else:
-                match = re.match(r"(:?\w|:|\+|-|\.|\[|\]|\\|/)+", input[pos:])
+                match = re.match(r"(:?\w|:|\+|-|\.|\[|\]|\\|/|\|)+", input[pos:])
                 if match:
                     value = match.group(0)
                     if value == "or":