Issue #29035: Simplify a regex in libregrtest

regrtest: simplify the regex used to match test names for the --fromfile
command line option.

1 files changed, 2 insertions, 5 deletions

diff --git a/Lib/test/libregrtest/main.py b/Lib/test/libregrtest/main.py
index e113ed6..61a9876 100644
--- a/Lib/test/libregrtest/main.py
+++ b/Lib/test/libregrtest/main.py
@@ -179,17 +179,14 @@ class Regrtest:
             self.tests = []
             # regex to match 'test_builtin' in line:
             # '0:00:00 [  4/400] test_builtin -- test_dict took 1 sec'
-            regex = (r'(?:[0-9]+:[0-9]+:[0-9]+ *)?'
-                     r'(?:\[[0-9/ ]+\] *)?'
-                     r'(test_[a-zA-Z0-9_]+)\b(?:\.py)?')
-            regex = re.compile(regex)
+            regex = re.compile(r'\btest_[a-zA-Z0-9_]+\b')
             with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp:
                 for line in fp:
                     line = line.split('#', 1)[0]
                     line = line.strip()
                     match = regex.search(line)
                     if match is not None:
-                        self.tests.append(match.group(1))
+                        self.tests.append(match.group())
 
         removepy(self.tests)