diff --git a/src/Input/ShellInput.php b/src/Input/ShellInput.php
index 10ca2b5b..a185c6fd 100644
--- a/src/Input/ShellInput.php
+++ b/src/Input/ShellInput.php
@@ -19,6 +19,8 @@
  */
 class ShellInput extends StringInput
 {
+    public const REGEX_STRING = '([^\s]+?)(?:\s|(?<!\\\\)"|(?<!\\\\)\'|$)';
+
     private $hasCodeArgument = false;
 
     /**
@@ -98,7 +100,7 @@ private function tokenize(string $input): array
                     \stripcslashes(\substr($match[0], 1, \strlen($match[0]) - 2)),
                     \stripcslashes(\substr($input, $cursor)),
                 ];
-            } elseif (\preg_match('/'.StringInput::REGEX_STRING.'/A', $input, $match, 0, $cursor)) {
+            } elseif (\preg_match('/'.self::REGEX_STRING.'/A', $input, $match, 0, $cursor)) {
                 $tokens[] = [
                     \stripcslashes($match[1]),
                     \stripcslashes(\substr($input, $cursor)),
diff --git a/src/VarDumper/Dumper.php b/src/VarDumper/Dumper.php
index 96c127e0..0eacbc93 100644
--- a/src/VarDumper/Dumper.php
+++ b/src/VarDumper/Dumper.php
@@ -23,9 +23,9 @@ class Dumper extends CliDumper
     private $formatter;
     private $forceArrayIndexes;
 
-    protected static $onlyControlCharsRx = '/^[\x00-\x1F\x7F]+$/';
-    protected static $controlCharsRx = '/([\x00-\x1F\x7F]+)/';
-    protected static $controlCharsMap = [
+    const ONLY_CONTROL_CHARS = '/^[\x00-\x1F\x7F]+$/';
+    const CONTROL_CHARS = '/([\x00-\x1F\x7F]+)/';
+    const CONTROL_CHARS_MAP = [
         "\0"   => '\0',
         "\t"   => '\t',
         "\n"   => '\n',
@@ -71,16 +71,15 @@ protected function style($style, $value, $attr = []): string
         }
 
         $styled = '';
-        $map = self::$controlCharsMap;
         $cchr = $this->styles['cchr'];
 
-        $chunks = \preg_split(self::$controlCharsRx, $value, -1, \PREG_SPLIT_NO_EMPTY | \PREG_SPLIT_DELIM_CAPTURE);
+        $chunks = \preg_split(self::CONTROL_CHARS, $value, -1, \PREG_SPLIT_NO_EMPTY | \PREG_SPLIT_DELIM_CAPTURE);
         foreach ($chunks as $chunk) {
-            if (\preg_match(self::$onlyControlCharsRx, $chunk)) {
+            if (\preg_match(self::ONLY_CONTROL_CHARS, $chunk)) {
                 $chars = '';
                 $i = 0;
                 do {
-                    $chars .= isset($map[$chunk[$i]]) ? $map[$chunk[$i]] : \sprintf('\x%02X', \ord($chunk[$i]));
+                    $chars .= isset(self::CONTROL_CHARS_MAP[$chunk[$i]]) ? self::CONTROL_CHARS_MAP[$chunk[$i]] : \sprintf('\x%02X', \ord($chunk[$i]));
                 } while (isset($chunk[++$i]));
 
                 $chars = $this->formatter->escape($chars);