diff --git a/BXSwiftUtils/Strings/Numeric+Localized.swift b/BXSwiftUtils/Strings/Numeric+Localized.swift
index d5328b9..eb88dd0 100644
--- a/BXSwiftUtils/Strings/Numeric+Localized.swift
+++ b/BXSwiftUtils/Strings/Numeric+Localized.swift
@@ -139,7 +139,8 @@ extension String
 		var allowedChars = CharacterSet.decimalDigits
 		allowedChars.insert(charactersIn:decimalSeparator)
 		allowedChars.insert(charactersIn:groupingSeparator)
-		
+		allowedChars.insert(charactersIn:"+-")
+
 		let illegalChars = allowedChars.inverted
 
 		return self.components(separatedBy:illegalChars).joined(separator:"")