From d11882c0cbb194a6d78b7aa6a9bc97dbf0cb6eb8 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 5 Mar 2020 16:56:17 +0300
Subject: [PATCH] Prefer continuous ranges as a bank card number.

GitOrigin-RevId: 77eb573fd9580cd79964cecfe879a91178d5a43c
---
 td/telegram/MessageEntity.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/td/telegram/MessageEntity.cpp b/td/telegram/MessageEntity.cpp
index 0a13caa49..07477b354 100644
--- a/td/telegram/MessageEntity.cpp
+++ b/td/telegram/MessageEntity.cpp
@@ -430,6 +430,10 @@ static vector<Slice> match_bank_card_numbers(Slice str) {
     auto card_number_begin = ptr;
     size_t digit_count = 0;
     while (ptr != end && (is_digit(*ptr) || *ptr == ' ' || *ptr == '-')) {
+      if (*ptr == ' ' && digit_count >= 16 && digit_count <= 19 && digit_count == static_cast<size_t>(ptr - card_number_begin)) {
+        // continuous card number
+        break;
+      }
       digit_count += static_cast<size_t>(is_digit(*ptr));
       ptr++;
     }