Error if a Regex is Entered Into a Non-Regex Text Filter

[aroelke]

[error] Exception in thread "AWT-EventQueue-0" java.util.regex.PatternSyntaxException: Illegal/unsupported escape sequence near index 23
[error] (?mi)((?:^|$|\W)\Q\Qmyr\E\E(?:^|$|\W))
[error]                        ^
[error]         at java.base/java.util.regex.Pattern.error(Pattern.java:2028)
[error]         at java.base/java.util.regex.Pattern.escape(Pattern.java:2619)
[error]         at java.base/java.util.regex.Pattern.atom(Pattern.java:2286)
[error]         at java.base/java.util.regex.Pattern.sequence(Pattern.java:2159)
[error]         at java.base/java.util.regex.Pattern.expr(Pattern.java:2069)
[error]         at java.base/java.util.regex.Pattern.group0(Pattern.java:3060)
[error]         at java.base/java.util.regex.Pattern.sequence(Pattern.java:2124)
[error]         at java.base/java.util.regex.Pattern.expr(Pattern.java:2069)
[error]         at java.base/java.util.regex.Pattern.compile(Pattern.java:1783)
[error]         at java.base/java.util.regex.Pattern.<init>(Pattern.java:1430)
[error]         at java.base/java.util.regex.Pattern.compile(Pattern.java:1069)
[error]         at scala.util.matching.Regex.<init>(Regex.scala:234)
[error]         at scala.collection.StringOps$.r$extension(StringOps.scala:857)
[error]         at editor.filter.leaf.TextFilter.matches(TextFilter.scala:98)
[error]         at editor.filter.leaf.TextFilter.testFace(TextFilter.scala:109)
[error]         at editor.filter.leaf.FilterLeaf.apply(FilterLeaf.scala:33)
[error]         at editor.filter.leaf.FilterLeaf.apply$(FilterLeaf.scala:17)
[error]         at editor.filter.leaf.TextFilter.apply(TextFilter.scala:90)
[error]         at editor.filter.leaf.TextFilter.apply(TextFilter.scala:90)
[error]         at editor.filter.FilterGroup$Mode.apply$$anonfun$1(FilterGroup.scala:21)
[error]         at scala.collection.IterableOnceOps.forall(IterableOnce.scala:577)
[error]         at scala.collection.IterableOnceOps.forall$(IterableOnce.scala:574)
[error]         at scala.collection.AbstractIterable.forall(Iterable.scala:926)
[error]         at editor.filter.FilterGroup$Mode$.$anon$superArg$1$1$$anonfun$1(FilterGroup.scala:26)
[error]         at editor.filter.FilterGroup$Mode.apply(FilterGroup.scala:21)
[error]         at editor.filter.FilterGroup.apply(FilterGroup.scala:54)
[error]         at editor.filter.FilterGroup.apply(FilterGroup.scala:54)
[error]         at scala.collection.immutable.Vector.filterImpl(Vector.scala:135)
[error]         at scala.collection.immutable.Vector.filterImpl(Vector.scala:113)
[error]         at scala.collection.StrictOptimizedIterableOps.filter(StrictOptimizedIterableOps.scala:218)
[error]         at scala.collection.StrictOptimizedIterableOps.filter$(StrictOptimizedIterableOps.scala:218)
[error]         at scala.collection.immutable.Vector.filter(Vector.scala:113)
[error]         at editor.collection.immutable.Inventory$.filter_$eq(Inventory.scala:69)
[error]         at editor.gui.MainFrame.$init$$$anonfun$55(MainFrame.scala:1118)
[error]         at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972)
[error]         at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2313)
[error]         at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
[error]         at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
[error]         at java.desktop/javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:279)
[error]         at java.desktop/java.awt.Component.processMouseEvent(Component.java:6617)
[error]         at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3342)
[error]         at java.desktop/java.awt.Component.processEvent(Component.java:6382)
[error]         at java.desktop/java.awt.Container.processEvent(Container.java:2264)
[error]         at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4993)
[error]         at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2322)
[error]         at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825)
[error]         at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4934)
[error]         at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4563)
[error]         at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4504)
[error]         at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2308)
[error]         at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2773)
[error]         at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825)
[error]         at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
[error]         at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
[error]         at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
[error]         at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
[error]         at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85 
[error]         at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95 
[error]         at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
[error]         at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
[error]         at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
[error]         at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85 
[error]         at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
[error]         at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
[error]         at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
[error]         at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
[error]         at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
[error]         at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
[error]         at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

This shows up in the terminal, but doesn't cause any change, or apparent problems, in the UI. The filter is just not applied.