Improve search query construction.

7 years ago · 153f3fc0a5
parent a51e9b78b0
commit 153f3fc0a5
1 changed files with 2 additions and 1 deletions
--- a/SignalServiceKit/src/Storage/FullTextSearchFinder.swift
+++ b/SignalServiceKit/src/Storage/FullTextSearchFinder.swift
@ -92,7 +92,8 @@ public class FullTextSearchFinder: NSObject {
        var charactersToFilter = CharacterSet.punctuationCharacters
        charactersToFilter.formUnion(CharacterSet.illegalCharacters)
        charactersToFilter.formUnion(CharacterSet.controlCharacters)
-        charactersToFilter.formUnion(CharacterSet(charactersIn: "+~$^=|<>`"))
+        // Note that we strip the Unicode "subtitute" character (26).
+        charactersToFilter.formUnion(CharacterSet(charactersIn: "+~$^=|<>`_\u{26}"))
        return charactersToFilter
    }