diff --git a/modules/siddhi-core/src/main/java/io/siddhi/core/util/parser/ExpressionParser.java b/modules/siddhi-core/src/main/java/io/siddhi/core/util/parser/ExpressionParser.java
index eceb169731..2764b4ed6e 100644
--- a/modules/siddhi-core/src/main/java/io/siddhi/core/util/parser/ExpressionParser.java
+++ b/modules/siddhi-core/src/main/java/io/siddhi/core/util/parser/ExpressionParser.java
@@ -1014,7 +1014,7 @@ private static ConditionExpressionExecutor parseEqualCompare(ExpressionExecutor
                                 rightExpressionExecutor);
                     default:
                         throw new OperationNotSupportedException(
-                                "sting cannot be compared with " + rightExpressionExecutor.getReturnType());
+                                "string cannot be compared with " + rightExpressionExecutor.getReturnType());
                 }
             case INT:
                 switch (rightExpressionExecutor.getReturnType()) {
@@ -1137,7 +1137,7 @@ private static ConditionExpressionExecutor parseNotEqualCompare(ExpressionExecut
                                 rightExpressionExecutor);
                     default:
                         throw new OperationNotSupportedException(
-                                "sting cannot be compared with " + rightExpressionExecutor.getReturnType());
+                                "string cannot be compared with " + rightExpressionExecutor.getReturnType());
                 }
             case INT:
                 switch (rightExpressionExecutor.getReturnType()) {
diff --git a/modules/siddhi-query-compiler/pom.xml b/modules/siddhi-query-compiler/pom.xml
index 75a10c5371..da98f47e47 100644
--- a/modules/siddhi-query-compiler/pom.xml
+++ b/modules/siddhi-query-compiler/pom.xml
@@ -43,6 +43,10 @@
             <artifactId>mvel2</artifactId>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
diff --git a/modules/siddhi-query-compiler/src/main/antlr4/io/siddhi/query/compiler/SiddhiQL.g4 b/modules/siddhi-query-compiler/src/main/antlr4/io/siddhi/query/compiler/SiddhiQL.g4
index 685370e37a..7c86ddef93 100644
--- a/modules/siddhi-query-compiler/src/main/antlr4/io/siddhi/query/compiler/SiddhiQL.g4
+++ b/modules/siddhi-query-compiler/src/main/antlr4/io/siddhi/query/compiler/SiddhiQL.g4
@@ -19,7 +19,7 @@
 grammar SiddhiQL;
 
 @header {
-	//import io.siddhi.query.compiler.exception.SiddhiParserException;
+import org.apache.commons.lang3.StringEscapeUtils;
 }
 
 parse
@@ -865,9 +865,8 @@ STRING_LITERAL
         '\'' ( ~('\u0000'..'\u001f' | '\''| '"' ) )* '\''
         |'"' ( ~('\u0000'..'\u001f'  |'"') )* '"'
      )  {setText(getText().substring(1, getText().length()-1));}
-     |('"""'(.*?)'"""')  {setText(getText().substring(3, getText().length()-3));}
+     |('"""'(~["\\\r\n] | EscapeSequence)*'"""')  {setText(StringEscapeUtils.unescapeJava(getText().substring(3, getText().length()-3)));}
     ;
-
 //Hidden channels
 SINGLE_LINE_COMMENT
  : '--' ~[\r\n]* -> channel(HIDDEN)
@@ -889,6 +888,19 @@ SCRIPT
  : '{' SCRIPT_ATOM* '}'
  ;
 
+fragment EscapeSequence
+    : '\\' 'u005c'? [btnfr"'\\]
+    | '\\' 'u005c'? ([0-3]? [0-7])? [0-7]
+    | '\\' 'u'+ HexDigit HexDigit HexDigit HexDigit
+    ;
+fragment HexDigits
+    : HexDigit ((HexDigit | '_')* HexDigit)?
+    ;
+
+fragment HexDigit
+    : [0-9a-fA-F]
+    ;
+
  fragment SCRIPT_ATOM
   : ~[{}]
   | '"' ~["]* '"'
diff --git a/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/DefineStreamTestCase.java b/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/DefineStreamTestCase.java
index bfb3a2c885..0c433547e0 100644
--- a/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/DefineStreamTestCase.java
+++ b/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/DefineStreamTestCase.java
@@ -175,7 +175,7 @@ public void testMultilevelNestedAnnotations3() throws SiddhiParserException {
         StreamDefinition streamDefinition = SiddhiCompiler.parseStreamDefinition(
                 "@sink(url='http://foo.com/test/{{data}}', " +
                         "   @map(type=\"\"\"xml\"\"\", " +
-                        "@payload(\"\"\"{ \"time\":{{time}}}\"\"\") " +
+                        "@payload(\"\"\"{ \\\"time\\\":{{time}}}\"\"\") " +
                         "   )" +
                         ") " +
                         "define stream fooStream (id int, name string);"
diff --git a/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/StringValueTestCase.java b/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/StringValueTestCase.java
new file mode 100644
index 0000000000..05ae18cf1d
--- /dev/null
+++ b/modules/siddhi-query-compiler/src/test/java/io/siddhi/query/test/StringValueTestCase.java
@@ -0,0 +1,201 @@
+package io.siddhi.query.test;
+
+
+import io.siddhi.query.api.execution.query.Query;
+import io.siddhi.query.api.expression.constant.StringConstant;
+import io.siddhi.query.compiler.SiddhiCompiler;
+import io.siddhi.query.compiler.exception.SiddhiParserException;
+import org.apache.commons.lang3.StringEscapeUtils;
+import org.testng.AssertJUnit;
+import org.testng.annotations.Test;
+
+public class StringValueTestCase {
+    @Test
+    void test1() {
+        String literal = "abc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test
+    void test2() {
+        String literal = "a'bc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test3() {
+        String literal = "a\"bc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+    }
+
+    @Test
+    void test4() {
+        String literal = "a\"bc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat,
+                StringEscapeUtils.escapeJava(literal)));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test5() {
+        String literal = "abc\"";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+    }
+
+    @Test
+    void test6() {
+        String literal = "abc\"";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat,
+                StringEscapeUtils.escapeJava(literal)));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test7() {
+        String literal = "a\"\"\"bc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+    }
+
+    @Test
+    void test8() {
+        String literal = "a\"\"\"bc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat,
+                StringEscapeUtils.escapeJava(literal)));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test
+    void test9() {
+        String literal = "a\\u005cbc";
+        String queryStringFormat = "from a select \"\"\"%s\"\"\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals("a\\bc",
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test
+    void test10() {
+        String literal = "abc";
+        String queryStringFormat = "from a select \"%s\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test
+    void test11() {
+        String literal = "abc";
+        String queryStringFormat = "from a select '%s' as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test
+    void test12() {
+        String literal = "a'bc";
+        String queryStringFormat = "from a select \"%s\" as b insert into c";
+        Query query = SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+        AssertJUnit.assertNotNull(query);
+        AssertJUnit.assertNotNull(query.getSelector());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList());
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0));
+        AssertJUnit.assertNotNull(query.getSelector().getSelectionList().get(0).getExpression());
+        AssertJUnit.assertTrue(query.getSelector().getSelectionList().get(0).getExpression() instanceof StringConstant);
+        AssertJUnit.assertEquals(literal,
+                ((StringConstant) query.getSelector().getSelectionList().get(0).getExpression()).getValue());
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test13() {
+        String literal = "a'bc";
+        String queryStringFormat = "from a select '%s' as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test14() {
+        String literal = "a'bc";
+        String queryStringFormat = "from a select '%s' as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, StringEscapeUtils.escapeJava(literal)));
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test15() {
+        String literal = "a\"bc";
+        String queryStringFormat = "from a select \"%s\" as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, literal));
+    }
+
+    @Test(expectedExceptions = SiddhiParserException.class)
+    void test16() {
+        String literal = "a\"bc";
+        String queryStringFormat = "from a select \"%s\" as b insert into c";
+        SiddhiCompiler.parseQuery(String.format(queryStringFormat, StringEscapeUtils.escapeJava(literal)));
+    }
+
+
+}