STY: Apply ruff preview rule RUF039

RUF039 First argument is not raw string

Author: DimitriPapadopoulos

fmriprep/interfaces/confounds.py

@@ -429,8 +429,8 @@ def less_breakable(a_string):
     # Taken from https://stackoverflow.com/questions/1175208/
     # If we end up using it more than just here, probably worth pulling in a well-tested package
     def camel_to_snake(name):
-        s1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
-        return re.sub('([a-z0-9])([A-Z])', r'\1_\2', s1).lower()
+        s1 = re.sub(r'(.)([A-Z][a-z]+)', r'\1_\2', name)
+        return re.sub(r'([a-z0-9])([A-Z])', r'\1_\2', s1).lower()
 
     def _adjust_indices(left_df, right_df):
         # This forces missing values to appear at the beginning of the DataFrame

fmriprep/interfaces/reports.py

@@ -131,12 +131,12 @@ def _run_interface(self, runtime):
     def _generate_segment(self):
         BIDS_NAME = re.compile(
             r'^(.*\/)?'
-            '(?P<subject_id>sub-[a-zA-Z0-9]+)'
-            '(_(?P<session_id>ses-[a-zA-Z0-9]+))?'
-            '(_(?P<task_id>task-[a-zA-Z0-9]+))?'
-            '(_(?P<acq_id>acq-[a-zA-Z0-9]+))?'
-            '(_(?P<rec_id>rec-[a-zA-Z0-9]+))?'
-            '(_(?P<run_id>run-[a-zA-Z0-9]+))?'
+            r'(?P<subject_id>sub-[a-zA-Z0-9]+)'
+            r'(_(?P<session_id>ses-[a-zA-Z0-9]+))?'
+            r'(_(?P<task_id>task-[a-zA-Z0-9]+))?'
+            r'(_(?P<acq_id>acq-[a-zA-Z0-9]+))?'
+            r'(_(?P<rec_id>rec-[a-zA-Z0-9]+))?'
+            r'(_(?P<run_id>run-[a-zA-Z0-9]+))?'
         )
 
         if not isdefined(self.inputs.subjects_dir):

fmriprep/utils/telemetry.py

@@ -156,7 +156,7 @@ def before_send(event, hints):
             return None
         if msg.startswith('Saving crash info to '):
             return None
-        if re.match('Node .+ failed to run on host .+', msg):
+        if re.match(r'Node .+ failed to run on host .+', msg):
             return None
 
     if 'breadcrumbs' in event and isinstance(event['breadcrumbs'], list):