diff --git a/changes/1077.general.rst b/changes/1077.general.rst
new file mode 100644
index 000000000..515a52d49
--- /dev/null
+++ b/changes/1077.general.rst
@@ -0,0 +1 @@
+replaces deprecated string literals with raw strings in regex pattern matching
diff --git a/crds/certify/certify.py b/crds/certify/certify.py
index 8197c59ad..eb4076028 100644
--- a/crds/certify/certify.py
+++ b/crds/certify/certify.py
@@ -687,7 +687,7 @@ def load(self):
 class AsdfCertifier(ReferenceCertifier):
     """Certifier for ADSF type,  invoke data models checks."""
 
-    _VERSION_RE = re.compile(f"^[0-9]+\.[0-9]+\.[0-9]+$")
+    _VERSION_RE = re.compile(r"^[0-9]+\.[0-9]+\.[0-9]+$")
 
     def certify(self):
         """Certify an unknown format file."""
diff --git a/crds/certify/validators/synphot.py b/crds/certify/validators/synphot.py
index e6b05b7e5..63466484a 100644
--- a/crds/certify/validators/synphot.py
+++ b/crds/certify/validators/synphot.py
@@ -179,7 +179,7 @@ def _check_component_filename(context, reftype, suffix, filename, header):
         log.error("Header missing COMPNAME, unable to certify filename")
         return False
 
-    pattern = re.compile(".*_([0-9]{3})_" + suffix + ".fits")
+    pattern = re.compile(r".*_([0-9]{3})_" + suffix + r".fits")
 
     match = pattern.match(os.path.basename(filename))
     if not match:
diff --git a/crds/core/timestamp.py b/crds/core/timestamp.py
index fd39a9570..28bf87277 100644
--- a/crds/core/timestamp.py
+++ b/crds/core/timestamp.py
@@ -291,7 +291,7 @@ def parse_numerical_date(dstr):
 class DateParser:
     """Abstract baseclass for defining date parsers."""
 
-    format = re.compile("^$")
+    format = re.compile(r"^$")
     should_be = "DATE FORMAT NOT DEFINED"
 
     @classmethod
diff --git a/crds/hst/siname.py b/crds/hst/siname.py
index 48840a6f1..44f718065 100644
--- a/crds/hst/siname.py
+++ b/crds/hst/siname.py
@@ -36,7 +36,7 @@ class UnknownCDBSPrefix(Exception):
   pass
 
 # global compiled regex for splitting filenames
-filesplit = re.compile("[_\.]")
+filesplit = re.compile(r"[_\.]")
 
 # post-SM2 instruments supported by CDBS
 CDBS_supports = ("ACS","STIS","NICMOS","WFPC2","WFC3","COS")
diff --git a/crds/submit/submit.py b/crds/submit/submit.py
index f317b22bc..e167d2dab 100644
--- a/crds/submit/submit.py
+++ b/crds/submit/submit.py
@@ -360,7 +360,7 @@ def find_new_rmaps(self, old_maps, new_maps):
         return rnew
     
     def get_renamed_rmaps(self, soup, fmap):
-        diffs = soup.find_all(string=re.compile("Logical Diff"))
+        diffs = soup.find_all(string=re.compile(r"Logical Diff"))
         if len(diffs) > 0:
             for diff in diffs:
                 d = diff.split('(')[-1].split(')')[0]