From c67964a08c535c023505c63be819d7ad49c77358 Mon Sep 17 00:00:00 2001
From: BRANDERSTUDIO <luximetr.notification@gmail.com>
Date: Thu, 30 Nov 2017 11:26:26 +0200
Subject: [PATCH] Fixed correctedContent method for nil string.

---
 .../TextFormatter/TextInputFormatters/TextInputFormatter.swift  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/TextFormatter/TextInputFormatters/TextInputFormatter.swift b/Source/TextFormatter/TextInputFormatters/TextInputFormatter.swift
index df560ed..987f7e8 100644
--- a/Source/TextFormatter/TextInputFormatters/TextInputFormatter.swift
+++ b/Source/TextFormatter/TextInputFormatters/TextInputFormatter.swift
@@ -81,7 +81,7 @@ private extension TextInputFormatter {
    - Returns: New String with replaced characters in range from old string
   */
   func correctedContent(currentContent: String?, range: NSRange, replacementFiltered: String) -> String? {
-    guard let oldText = currentContent else { return nil }
+    let oldText = currentContent ?? String()
     
     let correctedRange = unformattedRange(from: range)
     let oldUnformatted = unformattedText(from: oldText) as NSString?