Adding regex operation

README.md

@@ -256,6 +256,12 @@ Selects documents if the array field is a specified size.
 
     User::where('tags', 'size', 3)->get();
 
+**Regex**
+
+Selects documents where values match a specified regular expression.
+
+    User::where('name', 'regex', new MongoRegex("/.*doe/i"))->get();
+
 **Type**
 
 Selects documents if a field is of the specified type. For more information check: http://docs.mongodb.org/manual/reference/operator/query/type/#op._S_type

src/Jenssegers/Mongodb/Query/Builder.php

@@ -26,7 +26,7 @@ class Builder extends \Illuminate\Database\Query\Builder {
         '=', '<', '>', '<=', '>=', '<>', '!=',
         'like', 'not like', 'between', 'ilike',
         '&', '|', '^', '<<', '>>',
-        'exists', 'type', 'mod', 'where', 'all', 'size',
+        'exists', 'type', 'mod', 'where', 'all', 'size', 'regex',
     );
 
     /**

tests/QueryBuilderTest.php

@@ -496,6 +496,10 @@ class QueryBuilderTest extends PHPUnit_Framework_TestCase {
 
 		$results = DB::collection('items')->where('tags', 'size', 4)->get();
 		$this->assertEquals(1, count($results));
+
+		$regex = new MongoRegex("/.*doe/i");
+		$results = DB::collection('users')->where('name', 'regex', $regex)->get();
+		$this->assertEquals(2, count($results));
 	}
 
 }