diff --git a/src/Engine/Segments/SegmentConditionModel.php b/src/Engine/Segments/SegmentConditionModel.php
index 099bce8..db0decc 100644
--- a/src/Engine/Segments/SegmentConditionModel.php
+++ b/src/Engine/Segments/SegmentConditionModel.php
@@ -83,7 +83,7 @@ public function matchesTraitValue($traitValue): bool
         $castedValue = $this->value;
         $traitValueType = gettype($traitValue);
 
-        if ($traitValueType == 'boolean') {
+        if ($traitValueType === 'boolean') {
             $castedValue = filter_var($castedValue, FILTER_VALIDATE_BOOLEAN);
         } elseif ($this->operator === SegmentConditions::MODULO) {
             return $this->matchesModuloTraitValue($traitValue);
@@ -101,7 +101,7 @@ public function matchesTraitValue($traitValue): bool
 
         switch ($this->operator) {
             case (SegmentConditions::EQUAL):
-                $condition = $traitValue == $castedValue;
+                $condition = $traitValue === $castedValue;
                 break;
             case (SegmentConditions::GREATER_THAN):
                 $condition = $traitValue > $castedValue;
@@ -116,21 +116,21 @@ public function matchesTraitValue($traitValue): bool
                 $condition = $traitValue <= $castedValue;
                 break;
             case (SegmentConditions::NOT_EQUAL):
-                $condition = $traitValue != $castedValue;
+                $condition = $traitValue !== $castedValue;
                 break;
             case (SegmentConditions::CONTAINS):
-                $condition = strpos($traitValue, (string) $castedValue) !== false;
+                $condition = strpos($traitValue, (string) $this->value) !== false;
                 break;
             case (SegmentConditions::NOT_CONTAINS):
-                $condition = strpos($traitValue, (string) $castedValue) === false;
+                $condition = strpos($traitValue, (string) $this->value) === false;
                 break;
             case (SegmentConditions::REGEX):
-                $matchesCount = preg_match_all("/{$castedValue}/", (string) $traitValue);
+                $matchesCount = preg_match_all("/{$this->value}/", (string) $traitValue);
                 $condition = $matchesCount && $matchesCount > 0;
                 break;
             case (SegmentConditions::IN):
                 if (in_array($traitValueType, ['string', 'integer'])) {
-                    $condition = in_array((string) $traitValue, explode(',', (string) $this->value));
+                    $condition = in_array((string) $traitValue, explode(',', (string) $this->value), true);
                 }
                 break;
         }
diff --git a/tests/Engine/Unit/Segments/SegmentModelsTest.php b/tests/Engine/Unit/Segments/SegmentModelsTest.php
index f3cb234..c56b2b1 100755
--- a/tests/Engine/Unit/Segments/SegmentModelsTest.php
+++ b/tests/Engine/Unit/Segments/SegmentModelsTest.php
@@ -56,9 +56,13 @@ public function conditionParametersTraitValues()
             [SegmentConditions::CONTAINS, 'bar', 'b', true],
             [SegmentConditions::CONTAINS, 'bar', 'bar', true],
             [SegmentConditions::CONTAINS, 'bar', 'baz', false],
+            [SegmentConditions::CONTAINS, 100, '1', true],
+            [SegmentConditions::CONTAINS, 100, 'baz', false],
             [SegmentConditions::NOT_CONTAINS, 'bar', 'b', false],
             [SegmentConditions::NOT_CONTAINS, 'bar', 'bar', false],
             [SegmentConditions::NOT_CONTAINS, 'bar', 'baz', true],
+            [SegmentConditions::NOT_CONTAINS, 100, '1', false],
+            [SegmentConditions::NOT_CONTAINS, 100, 'baz', true],
             [SegmentConditions::IN, 'foo', '', false],
             [SegmentConditions::IN, 'ba', 'foo,bar', false],
             [SegmentConditions::IN, 'foo', 'foo,bar', true],
@@ -74,6 +78,8 @@ public function conditionParametersTraitValues()
             [SegmentConditions::REGEX, 'foo', '[a-z]+', true],
             [SegmentConditions::REGEX, 'FOO', '[a-z]+', false],
             [SegmentConditions::REGEX, '1.2.3', '\\d', true],
+            [SegmentConditions::REGEX, 123, '^\\d*[13579]$', true],
+            [SegmentConditions::REGEX, 122, '^\\d*[13579]$', false],
             [SegmentConditions::MODULO, 2, '2|0', true],
             [SegmentConditions::MODULO, 2.0, '2|0', true],
             [SegmentConditions::MODULO, 2.0, '2.0|0', true],