diff --git a/tools/learnset_helpers/teachable.py b/tools/learnset_helpers/teachable.py
index 03d3729ef6..92ed8562d8 100644
--- a/tools/learnset_helpers/teachable.py
+++ b/tools/learnset_helpers/teachable.py
@@ -5,14 +5,14 @@ import os
 
 # before all else, abort if the config is off
 with open("./include/config/pokemon.h", "r") as file:
-    learnset_config = re.findall("#define P_LEARNSET_HELPER_TEACHABLE *([^ ]*)", file.read())
+    learnset_config = re.findall(r"#define P_LEARNSET_HELPER_TEACHABLE *([^ ]*)", file.read())
     if len(learnset_config) != 1:
         quit()
     if learnset_config[0] != "TRUE":
         quit()
 
 def parse_mon_name(name):
-    return re.sub('(?!^)([A-Z]+)', r'_\1', name).upper()
+    return re.sub(r'(?!^)([A-Z]+)', r'_\1', name).upper()
     
 tm_moves = []
 tutor_moves = []
@@ -28,20 +28,20 @@ for file in incs_to_check:
     with open(file, 'r') as f2:
         raw = f2.read()
     if 'special ChooseMonForMoveTutor' in raw:
-        for x in re.findall('setvar VAR_0x8005, (MOVE_.*)', raw):
+        for x in re.findall(r'setvar VAR_0x8005, (MOVE_.*)', raw):
             if not x in tutor_moves:
                 tutor_moves.append(x)
 
 # scan TMs and HMs
 with open("./include/constants/tms_hms.h", 'r') as file:
-    for x in re.findall('F\((.*)\)', file.read()):
+    for x in re.findall(r'F\((.*)\)', file.read()):
         if not 'MOVE_' + x in tm_moves:
             tm_moves.append('MOVE_' + x)
 
 # look up universal moves to exclude them
 universal_moves = []
 with open("./src/pokemon.c", "r") as file:
-    for x in re.findall("static const u16 sUniversalMoves\[\] =(.|\n)*?{((.|\n)*?)};", file.read())[0]:
+    for x in re.findall(r"static const u16 sUniversalMoves\[\] =(.|\n)*?{((.|\n)*?)};", file.read())[0]:
         x = x.replace("\n", "")
         for y in x.split(","):
             y = y.strip()
@@ -79,7 +79,7 @@ def construct_compatibility_dict(force_custom_check):
         raw = file.read()
         if not "// DO NOT MODIFY THIS FILE!" in raw and force_custom_check == True:
             custom_teachable_compatibilities = {}
-            for entry in re.findall("static const u16 s(.*)TeachableLearnset\[\] = {\n((.|\n)*?)\n};", raw):
+            for entry in re.findall(r"static const u16 s(.*)TeachableLearnset\[\] = {\n((.|\n)*?)\n};", raw):
                 monname = parse_mon_name(entry[0])
                 if monname == "NONE":
                     continue
@@ -128,7 +128,7 @@ compatibility_dict = construct_compatibility_dict(True)
 # actually prepare the file
 with open("./src/data/pokemon/teachable_learnsets.h", 'r') as file:
     out = file.read()
-    list_of_mons = re.findall('static const u16 s(.*)TeachableLearnset', out)
+    list_of_mons = re.findall(r'static const u16 s(.*)TeachableLearnset', out)
 for mon in list_of_mons:
     mon_parsed = parse_mon_name(mon)
     tm_learnset = []
@@ -161,7 +161,7 @@ for mon in list_of_mons:
     if len(tm_learnset) > 0:
         repl += ",\n    ".join(tm_learnset) + ",\n    "
     repl += "MOVE_UNAVAILABLE,\n};"
-    newout = re.sub('static const u16 s%sTeachableLearnset\[\] = {[\s\S]*?};' % mon, repl, out)
+    newout = re.sub(r'static const u16 s%sTeachableLearnset\[\] = {[\s\S]*?};' % mon, repl, out)
     if newout != out:
         out = newout
         print("Updated %s" % mon)
@@ -208,7 +208,7 @@ header += "// " + longest_move_name * "*" + " //\n\n"
 if not "// DO NOT MODIFY THIS FILE!" in out:
     out = header + out
 else:
-    out = re.sub("\/\/\n\/\/ DO NOT MODIFY THIS FILE!(.|\n)*\* \/\/\n\n", header, out)
+    out = re.sub(r"\/\/\n\/\/ DO NOT MODIFY THIS FILE!(.|\n)*\* \/\/\n\n", header, out)
 
 with open("./src/data/pokemon/teachable_learnsets.h", 'w') as file:
     file.write(out)