fix: logic

Author: dewanakl

src/Aman.php

@@ -76,8 +76,11 @@ public function __construct()
      */
     private function getFilterRegexp(string $string): string
     {
-        $replace = str_ireplace(array_keys($this->similar), array_values($this->similar), $string);
-        return '/' . $replace . '/iu';
+        $replace = strval(preg_replace_callback('/[a-z]/i', function (array $matches): string {
+            return strval($this->similar[strtolower($matches[0])] ?? $matches[0]);
+        }, $string));
+
+        return '/\b' . $replace . '\b/iu';
     }
 
     /**

tests/Test.php

@@ -19,6 +19,8 @@ public function testCheck(): void
     {
         $this->assertTrue($this->aman->check('This is a test with b@jIng4n word'));
 
+        $this->assertFalse($this->aman->check('This banjir word'));
+
         $this->assertFalse($this->aman->check('This is a clean test'));
     }
 
@@ -27,6 +29,9 @@ public function testMasking(): void
         $maskedString = $this->aman->masking('This is a test with b@jIng4n word');
         $this->assertSame('This is a test with ******** word', $maskedString);
 
+        $maskedFalse = $this->aman->masking('This banjir word');
+        $this->assertSame('This banjir word', $maskedFalse);
+
         $maskedStringWithHash = $this->aman->masking('This is a test with b@jIng4n word', '#');
         $this->assertSame('This is a test with ######## word', $maskedStringWithHash);
     }
@@ -35,6 +40,9 @@ public function testFilter(): void
     {
         $filteredString = $this->aman->filter('This is a test with b@jIng4n word');
         $this->assertSame('This is a test with  word', $filteredString);
+
+        $filteredString = $this->aman->filter('This banjir word');
+        $this->assertSame('This banjir word', $filteredString);
     }
 
     public function testWords(): void
@@ -45,6 +53,9 @@ public function testWords(): void
         $filteredWords = $this->aman->words('This is a test with b@jIng4n and k3p4rat word');
         $this->assertSame(['b@jIng4n', 'k3p4rat'], $filteredWords);
 
+        $cleanWords = $this->aman->words('This banjir word');
+        $this->assertSame([], $cleanWords);
+
         $cleanWords = $this->aman->words('This is a clean test');
         $this->assertSame([], $cleanWords);
     }