diff --git a/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java b/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
index 9a57240d23..7a54224ddc 100644
--- a/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
+++ b/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
@@ -1299,7 +1299,7 @@ public class TbUtils {
         if (str == null || str.isEmpty()) {
             return -1;
         }
-        return str.matches("[+-]?\\d+(\\.\\d+)?") ? DEC_RADIX : -1;
+        return str.matches("[+-]?\\d+(\\.\\d+)?([eE][+-]?\\d+)?") ? DEC_RADIX : -1;
     }
 
     public static int isHexadecimal(String str) {
diff --git a/common/script/script-api/src/test/java/org/thingsboard/script/api/tbel/TbUtilsTest.java b/common/script/script-api/src/test/java/org/thingsboard/script/api/tbel/TbUtilsTest.java
index 72d70e1d92..fbd81948d6 100644
--- a/common/script/script-api/src/test/java/org/thingsboard/script/api/tbel/TbUtilsTest.java
+++ b/common/script/script-api/src/test/java/org/thingsboard/script/api/tbel/TbUtilsTest.java
@@ -442,8 +442,9 @@ public class TbUtilsTest {
 
     @Test
     public void parsDouble() {
-        String doubleValStr = "1729.1729";
-        Assertions.assertEquals(java.util.Optional.of(doubleVal).get(), TbUtils.parseDouble(doubleValStr));
+        String doubleValStr = "1.1428250947E8";
+        Assertions.assertEquals(Double.parseDouble(doubleValStr), TbUtils.parseDouble(doubleValStr));
+        doubleValStr = "1729.1729";
         Assertions.assertEquals(0, Double.compare(doubleVal, TbUtils.parseHexToDouble(longValHex)));
         Assertions.assertEquals(0, Double.compare(doubleValRev, TbUtils.parseHexToDouble(longValHex, false)));
         Assertions.assertEquals(0, Double.compare(doubleVal, TbUtils.parseBigEndianHexToDouble(longValHex)));
@@ -930,7 +931,13 @@ public class TbUtilsTest {
     @Test
     public void isDecimal_Test() {
         Assertions.assertEquals(10, TbUtils.isDecimal("4567039"));
+        Assertions.assertEquals(10, TbUtils.isDecimal("1.1428250947E8"));
+        Assertions.assertEquals(10, TbUtils.isDecimal("123.45"));
+        Assertions.assertEquals(10, TbUtils.isDecimal("-1.23E-4"));
+        Assertions.assertEquals(10, TbUtils.isDecimal("1E5"));
         Assertions.assertEquals(-1, TbUtils.isDecimal("C100110"));
+        Assertions.assertEquals(-1, TbUtils.isDecimal("abc"));
+        Assertions.assertEquals(-1, TbUtils.isDecimal(null));
     }
 
     @Test