Added regexp_like support

Author: Jonathan Burnhams

src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj

@@ -193,6 +193,7 @@ TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
 |   <K_NULL:"NULL">
 |   <K_LIKE:"LIKE">
 |   <K_REGEXP:"REGEXP">
+|   <K_REGEXP_LIKE:"REGEXP_LIKE">
 |   <K_DROP:"DROP">
 |   <K_JOIN:"JOIN">
 |   <K_LEFT:"LEFT">
@@ -1283,11 +1284,27 @@ Expression Condition():
 }
 {
 	(LOOKAHEAD(SQLCondition()) result=SQLCondition()
-	| result=RegularCondition())
+	| result=FunctionCondition()
+	| result=RegularCondition()
+	)
 
 	{ return result; }
 }
 
+Expression FunctionCondition():
+{
+	Function result;
+	ExpressionList parameters;
+}
+{
+    <K_REGEXP_LIKE> { result = new Function(); result.setName("REGEXP_LIKE"); }
+    "("
+    parameters=SimpleExpressionList() { result.setParameters(parameters); }
+    ")"
+
+	{ return result; }
+}
+
 Expression RegularCondition():
 {
 	Expression result = null;

src/test/java/net/sf/jsqlparser/test/select/SelectTest.java

@@ -1022,4 +1022,14 @@ public void testPivotXml3() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed(stmt);
     }
 
+    public void testRegexpLike1() throws JSQLParserException {
+        String stmt = "SELECT * FROM mytable WHERE REGEXP_LIKE(first_name, '^Ste(v|ph)en$')";
+        assertSqlCanBeParsedAndDeparsed(stmt);
+    }
+
+    public void testRegexpLike2() throws JSQLParserException {
+        String stmt = "SELECT CASE WHEN REGEXP_LIKE(first_name, '^Ste(v|ph)en$') THEN 1 ELSE 2 END FROM mytable";
+        assertSqlCanBeParsedAndDeparsed(stmt);
+    }
+
 }