diff --git a/dibi/drivers/sqlite.reflector.php b/dibi/drivers/sqlite.reflector.php
index 9af4edf9..a66484ee 100644
--- a/dibi/drivers/sqlite.reflector.php
+++ b/dibi/drivers/sqlite.reflector.php
@@ -69,7 +69,7 @@ class DibiSqliteReflector extends DibiObject implements IDibiReflector
 		$columns = array();
 		while ($row = $res->fetch(TRUE)) {
 			$column = $row['name'];
-			$pattern = "/(\"$column\"|\[$column\]|$column)\s+[^,]+\s+PRIMARY\s+KEY\s+AUTOINCREMENT/Ui";
+			$pattern = "/(\"$column\"|\[$column\]|$column)\\s+[^,]+\\s+PRIMARY\\s+KEY\\s+AUTOINCREMENT/Ui";
 			$type = explode('(', $row['type']);
 			$columns[] = array(
 				'name' => $column,
diff --git a/dibi/libs/DibiFluent.php b/dibi/libs/DibiFluent.php
index f9359b3d..07887cb8 100644
--- a/dibi/libs/DibiFluent.php
+++ b/dibi/libs/DibiFluent.php
@@ -181,7 +181,7 @@ class DibiFluent extends DibiObject implements IDataSource
 			if ($arg === TRUE) { // flag
 				return $this;
 
-			} elseif (is_string($arg) && preg_match('#^[a-z:_][a-z0-9_.:]*$#i', $arg)) { // identifier
+			} elseif (is_string($arg) && preg_match('#^[a-z:_][a-z0-9_.:]*\z#i', $arg)) { // identifier
 				$args = array('%n', $arg);
 
 			} elseif (is_array($arg) || ($arg instanceof Traversable && !$arg instanceof self)) { // any array
diff --git a/dibi/libs/DibiTranslator.php b/dibi/libs/DibiTranslator.php
index bfe82aae..e14cf1fa 100644
--- a/dibi/libs/DibiTranslator.php
+++ b/dibi/libs/DibiTranslator.php
@@ -353,7 +353,7 @@ final class DibiTranslator extends DibiObject
 			case 'i':  // signed int
 			case 'u':  // unsigned int, ignored
 				// support for long numbers - keep them unchanged
-				if (is_string($value) && preg_match('#[+-]?\d++(e\d+)?$#A', $value)) {
+				if (is_string($value) && preg_match('#[+-]?\d++(e\d+)?\z#A', $value)) {
 					return $value;
 				} else {
 					return $value === NULL ? 'NULL' : (string) (int) ($value + 0);