[Autofill] Autofill fails to fill credit card number when split across fields.

components/autofill/core/browser/autofill_regex_constants.cc.utf8

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains UTF8 strings that we want as char arrays.  To avoid
 // different compilers, we use a script to convert the UTF8 strings into
 // numeric literals (\x##).
 
 #include "components/autofill/core/browser/autofill_regex_constants.h"
 
@@ skipping 113 matching lines @@
     "|nombre.*tarjeta"  // es
     "|nom.*carte"  // fr-FR
     "|nome.*cart"  // it-IT
     "|名前"  // ja-JP
     "|Имя.*карты"  // ru
     "|信用卡开户名|开户名|持卡人姓名"  // zh-CN
     "|持卡人姓名";  // zh-TW
 const char kNameOnCardContextualRe[] =
     "name";
 const char kCardNumberRe[] =
-    "card.?number|card.?#|card.?no|cc.?num|acct.?num"
+    "card.?number.?\\d*|card.?#|card.?no.?\\d*|acct.?num.?\\d*|\\w*part.?\\d{1}|\\w*q.?\\d{1}|cc.?num.?\\d*"

[Ilya Sherman, 2014/08/07 20:57:25]

Why did you add ".?\\d*" to these regexes?  It should have no effect, since
we're looking for substring matches, rather than full string matches.

[Pritam Nikam, 2014/08/08 14:14:34]

Done.
Restored the original regular expression.

     "|nummer"  // de-DE
     "|credito|numero|número"  // es
     "|numéro"  // fr-FR
     "|カード番号"  // ja-JP
     "|Номер.*карты"  // ru
     "|信用卡号|信用卡号码"  // zh-CN
     "|信用卡卡號"  // zh-TW
     "|카드";  // ko-KR
 const char kCardCvcRe[] =
     "verification|card identification|security code|cvn|cvv|cvc|csc|\\bcid\\b";
@@ skipping 137 matching lines @@
     "prefix|exchange"
     "|preselection"  // fr-FR
     "|ddd";  // pt-BR, pt-PT
 const char kPhoneSuffixRe[] =
     "suffix";
 const char kPhoneExtensionRe[] =
     "\\bext|ext\\b|extension"
     "|ramal";  // pt-BR, pt-PT
 
 }  // namespace autofill