diff --git a/qutebrowser/browser/downloads.py b/qutebrowser/browser/downloads.py
index 5a2daae7e..dc0d83cbc 100644
--- a/qutebrowser/browser/downloads.py
+++ b/qutebrowser/browser/downloads.py
@@ -180,7 +180,7 @@ def transform_path(path):
     path = utils.expand_windows_drive(path)
     # Drive dependent working directories are not supported, e.g.
     # E:filename is invalid
-    if re.match(r'[A-Z]:[^\\]', path, re.IGNORECASE):
+    if re.fullmatch(r'[A-Z]:[^\\]', path, re.IGNORECASE):
         return None
     # Paths like COM1, ...
     # See https://github.com/qutebrowser/qutebrowser/issues/82
diff --git a/qutebrowser/browser/webengine/spell.py b/qutebrowser/browser/webengine/spell.py
index ee2fb7813..9166180d4 100644
--- a/qutebrowser/browser/webengine/spell.py
+++ b/qutebrowser/browser/webengine/spell.py
@@ -30,7 +30,7 @@ from qutebrowser.utils import log
 def version(filename):
     """Extract the version number from the dictionary file name."""
     version_re = re.compile(r".+-(?P<version>[0-9]+-[0-9]+?)\.bdic")
-    match = version_re.match(filename)
+    match = version_re.fullmatch(filename)
     if match is None:
         raise ValueError('the given dictionary file name is malformed: {}'
                          .format(filename))
diff --git a/qutebrowser/config/configtypes.py b/qutebrowser/config/configtypes.py
index 8d0af173b..320798f6b 100644
--- a/qutebrowser/config/configtypes.py
+++ b/qutebrowser/config/configtypes.py
@@ -963,7 +963,7 @@ class Font(BaseType):
     # Gets set when the config is initialized.
     monospace_fonts = None
     font_regex = re.compile(r"""
-        ^(
+        (
             (
                 # style
                 (?P<style>normal|italic|oblique) |
@@ -976,14 +976,14 @@ class Font(BaseType):
                 (?P<size>[0-9]+((\.[0-9]+)?[pP][tT]|[pP][xX]))
             )\           # size/weight/style are space-separated
         )*               # 0-inf size/weight/style tags
-        (?P<family>.+)$  # mandatory font family""", re.VERBOSE)
+        (?P<family>.+)  # mandatory font family""", re.VERBOSE)
 
     def to_py(self, value):
         self._basic_py_validation(value, str)
         if not value:
             return None
 
-        if not self.font_regex.match(value):  # pragma: no cover
+        if not self.font_regex.fullmatch(value):  # pragma: no cover
             # This should never happen, as the regex always matches everything
             # as family.
             raise configexc.ValidationError(value, "must be a valid font")
@@ -1002,7 +1002,7 @@ class FontFamily(Font):
         if not value:
             return None
 
-        match = self.font_regex.match(value)
+        match = self.font_regex.fullmatch(value)
         if not match:  # pragma: no cover
             # This should never happen, as the regex always matches everything
             # as family.
@@ -1039,7 +1039,7 @@ class QtFont(Font):
         font.setStyle(QFont.StyleNormal)
         font.setWeight(QFont.Normal)
 
-        match = self.font_regex.match(value)
+        match = self.font_regex.fullmatch(value)
         if not match:  # pragma: no cover
             # This should never happen, as the regex always matches everything
             # as family.
diff --git a/qutebrowser/keyinput/basekeyparser.py b/qutebrowser/keyinput/basekeyparser.py
index 14efd00ab..658b52d2d 100644
--- a/qutebrowser/keyinput/basekeyparser.py
+++ b/qutebrowser/keyinput/basekeyparser.py
@@ -150,7 +150,8 @@ class BaseKeyParser(QObject):
             A (count, command) tuple.
         """
         if self._supports_count:
-            (countstr, cmd_input) = re.match(r'^(\d*)(.*)', keystring).groups()
+            (countstr, cmd_input) = re.fullmatch(r'(\d*)(.*)',
+                                                 keystring).groups()
             count = int(countstr) if countstr else None
             if count == 0 and not cmd_input:
                 cmd_input = keystring
diff --git a/qutebrowser/misc/crashdialog.py b/qutebrowser/misc/crashdialog.py
index 54827211a..9ef0e573c 100644
--- a/qutebrowser/misc/crashdialog.py
+++ b/qutebrowser/misc/crashdialog.py
@@ -62,7 +62,7 @@ def parse_fatal_stacktrace(text):
         r'(Current )?[Tt]hread [^ ]* \(most recent call first\): *',
         r'  File ".*", line \d+ in (?P<func>.*)',
     ]
-    m = re.match('\n'.join(lines), text)
+    m = re.search('\n'.join(lines), text)
     if m is None:
         # We got some invalid text.
         return ('', '')
diff --git a/qutebrowser/misc/keyhintwidget.py b/qutebrowser/misc/keyhintwidget.py
index 98dc8e275..46d1d3f24 100644
--- a/qutebrowser/misc/keyhintwidget.py
+++ b/qutebrowser/misc/keyhintwidget.py
@@ -87,7 +87,7 @@ class KeyHintView(QLabel):
         Args:
             prefix: The current partial keystring.
         """
-        countstr, prefix = re.match(r'^(\d*)(.*)', prefix).groups()
+        countstr, prefix = re.fullmatch(r'(\d*)(.*)', prefix).groups()
         if not prefix:
             self._show_timer.stop()
             self.hide()
diff --git a/qutebrowser/utils/debug.py b/qutebrowser/utils/debug.py
index 2c86e1142..44699efa1 100644
--- a/qutebrowser/utils/debug.py
+++ b/qutebrowser/utils/debug.py
@@ -184,7 +184,7 @@ def signal_name(sig):
     Return:
         The cleaned up signal name.
     """
-    m = re.match(r'[0-9]+(.*)\(.*\)', sig.signal)
+    m = re.fullmatch(r'[0-9]+(.*)\(.*\)', sig.signal)
     return m.group(1)
 
 
diff --git a/qutebrowser/utils/docutils.py b/qutebrowser/utils/docutils.py
index d645b41ac..e54effe8d 100644
--- a/qutebrowser/utils/docutils.py
+++ b/qutebrowser/utils/docutils.py
@@ -156,7 +156,7 @@ class DocstringParser:
     def _parse_arg_inside(self, line):
         """Parse subsequent argument lines."""
         argname = self._cur_arg_name
-        if re.match(r'^[A-Z][a-z]+:$', line):
+        if re.fullmatch(r'[A-Z][a-z]+:', line):
             if not self.arg_descs[argname][-1].strip():
                 self.arg_descs[argname] = self.arg_descs[argname][:-1]
                 return True
diff --git a/qutebrowser/utils/urlutils.py b/qutebrowser/utils/urlutils.py
index 93c41cec8..50b1632d0 100644
--- a/qutebrowser/utils/urlutils.py
+++ b/qutebrowser/utils/urlutils.py
@@ -306,7 +306,7 @@ def qurl_from_user_input(urlstr):
     """
     # First we try very liberally to separate something like an IPv6 from the
     # rest (e.g. path info or parameters)
-    match = re.match(r'\[?([0-9a-fA-F:.]+)\]?(.*)', urlstr.strip())
+    match = re.fullmatch(r'\[?([0-9a-fA-F:.]+)\]?(.*)', urlstr.strip())
     if match:
         ipstr, rest = match.groups()
     else:
@@ -571,7 +571,7 @@ def incdec_number(url, incdec, count=1, segments=None):
             continue
 
         # Get the last number in a string
-        match = re.match(r'(.*\D|^)(0*)(\d+)(.*)', getter())
+        match = re.fullmatch(r'(.*\D|^)(0*)(\d+)(.*)', getter())
         if not match:
             continue
 
diff --git a/qutebrowser/utils/utils.py b/qutebrowser/utils/utils.py
index 8debc6688..efd2b2cc8 100644
--- a/qutebrowser/utils/utils.py
+++ b/qutebrowser/utils/utils.py
@@ -869,7 +869,7 @@ def expand_windows_drive(path):
     # E:\. The correct way to specifify drive E: is "E:\", but most users
     # probably don't use the "multiple working directories" feature and expect
     # "E:" and "E:\" to be equal.
-    if re.match(r'[A-Z]:$', path, re.IGNORECASE):
+    if re.fullmatch(r'[A-Z]:', path, re.IGNORECASE):
         return path + "\\"
     else:
         return path