diff --git a/definitions/patterns_re.txt b/definitions/patterns_re.txt
index e5ac012..3bb30b2 100644
--- a/definitions/patterns_re.txt
+++ b/definitions/patterns_re.txt
@@ -154,3 +154,9 @@ return @\$[a-z]{2}\d+\[\d+\]\(\$[a-z]{2}\d+\[\d+\],
 
 # htaccess alternating
 [a-z]{1}\([a-z]{1}\(\$[a-z]{2}\.'\/\.htaccess'\)
+
+# Javascript specific rules
+
+# JS - escaped command
+\.fromCharCode\([0-9,]{4,}\)
+\+-parseInt\(\w\('0x[0-9a-z]+'\)\)\/
\ No newline at end of file