diff --git a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/bugs/FormatDecode.java b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/bugs/FormatDecode.java
index c2ccd303e789..5d38ffa969cb 100644
--- a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/bugs/FormatDecode.java
+++ b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/bugs/FormatDecode.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2016 Dave Griffith, Bas Leijdekkers
+ * Copyright 2003-2017 Dave Griffith, Bas Leijdekkers
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ import java.util.regex.Pattern;
 
 class FormatDecode {
 
-  private static final Pattern fsPattern = Pattern.compile("%(\\d+\\$)?([-#+ 0,(\\<]*)?(\\d+)?(\\.\\d*)?([tT])?([a-zA-Z%])");
+  private static final Pattern fsPattern = Pattern.compile("%(\\d+\\$)?([-#+ 0,(<]*)?(\\d+)?(\\.\\d*)?([tT])?([a-zA-Z%])");
 
   private FormatDecode() {}
 
diff --git a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedFileSeparatorsInspection.java b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedFileSeparatorsInspection.java
index 421033af4700..4d7db8d67b50 100644
--- a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedFileSeparatorsInspection.java
+++ b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedFileSeparatorsInspection.java
@@ -51,7 +51,7 @@ public class HardcodedFileSeparatorsInspection extends BaseInspection {
    * media types.
    */
   @NonNls private static final String EXAMPLE_MIME_MEDIA_TYPE_PATTERN =
-    "example/\\p{Alnum}+(?:[\\.\\-\\\\+]\\p{Alnum}+)*";
+    "example/\\p{Alnum}+(?:[.\\-\\\\+]\\p{Alnum}+)*";
   /**
    * A regular expression pattern that matches strings which start with a URL
    * protocol, as they're likely to actually be URLs.
diff --git a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedLineSeparatorsInspection.java b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedLineSeparatorsInspection.java
index 646fd2a8bc0b..e49c82ab1373 100644
--- a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedLineSeparatorsInspection.java
+++ b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/portability/HardcodedLineSeparatorsInspection.java
@@ -28,7 +28,7 @@ import java.util.regex.Pattern;
 
 public class HardcodedLineSeparatorsInspection extends BaseInspection {
 
-  private static final Pattern newlines = Pattern.compile("\\\\n|\\\\r|\\\\0{0,1}12|\\\\0{0,1}15");
+  private static final Pattern newlines = Pattern.compile("\\\\n|\\\\r|\\\\0?12|\\\\0?15");
 
   @Override
   @NotNull