diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index 95eb735..4ce4058 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -65,6 +65,7 @@
 #define CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_GPIO
+#define CONFIG_CMD_GREPENV
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_MMC
@@ -77,6 +78,8 @@
 #define CONFIG_CMD_SPI
 #define CONFIG_CMD_USB
 
+#define CONFIG_REGEX			/* Enable regular expression support */
+
 /*
  * Memory configurations
  */