From 15dd2ecf6e8423dcc52210b08720fea0cd1e1561 Mon Sep 17 00:00:00 2001
From: Bas Leijdekkers <basleijdekkers@gmail.com>
Date: Thu, 27 Apr 2017 20:13:54 +0200
Subject: [PATCH] RegExp: replace switch statement with simple if

---
 .../EscapedMetaCharacterInspection.java       | 24 ++++++-------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/RegExpSupport/src/org/intellij/lang/regexp/inspection/EscapedMetaCharacterInspection.java b/RegExpSupport/src/org/intellij/lang/regexp/inspection/EscapedMetaCharacterInspection.java
index a8a9642e04f7..86a81cc65e1e 100644
--- a/RegExpSupport/src/org/intellij/lang/regexp/inspection/EscapedMetaCharacterInspection.java
+++ b/RegExpSupport/src/org/intellij/lang/regexp/inspection/EscapedMetaCharacterInspection.java
@@ -66,24 +66,14 @@ public class EscapedMetaCharacterInspection extends LocalInspectionTool {
         return;
       }
       final char c = text.charAt(1);
-      switch (c) {
-        case '{':
-        case '}':
-        case '(':
-        case ')':
-        case '.':
-        case '*':
-        case '+':
-        case '?':
-        case '|':
-        case '$':
-          final ASTNode node = ch.getNode().getFirstChildNode();
-          if (node != null && node.getElementType() == RegExpTT.REDUNDANT_ESCAPE) {
-            return;
-          }
-          myHolder.registerProblem(ch, "Escaped meta character <code>" + c + "</code>", new EscapedMetaCharacterFix(c));
-          break;
+      if ("{}().*+?|$".indexOf(c) < 0) {
+        return;
       }
+      final ASTNode node = ch.getNode().getFirstChildNode();
+      if (node != null && node.getElementType() == RegExpTT.REDUNDANT_ESCAPE) {
+        return;
+      }
+      myHolder.registerProblem(ch, "Escaped meta character <code>" + c + "</code>", new EscapedMetaCharacterFix(c));
     }
   }