diff --git a/library/re.po b/library/re.po
index ade794f4a6..532ad6c0cc 100644
--- a/library/re.po
+++ b/library/re.po
@@ -1221,7 +1221,7 @@ msgstr ""
 
 #: ../../library/re.rst:878
 msgid "Functions"
-msgstr ""
+msgstr "函式"
 
 #: ../../library/re.rst:882
 msgid ""
@@ -1229,6 +1229,8 @@ msgid ""
 "<re-objects>`, which can be used for matching using its :func:`~Pattern."
 "match`, :func:`~Pattern.search` and other methods, described below."
 msgstr ""
+"將正規表示式模式編譯成\\ :ref:`正規表示式物件 <re-objects>`，可以使用它的 :"
+"func:`~Pattern.match`、:func:`~Pattern.search` 等方法來匹配，如下所述。"
 
 #: ../../library/re.rst:887 ../../library/re.rst:919 ../../library/re.rst:937
 #: ../../library/re.rst:948 ../../library/re.rst:994 ../../library/re.rst:1028
@@ -1239,16 +1241,20 @@ msgid ""
 "Values can be any of the `flags`_ variables, combined using bitwise OR (the "
 "``|`` operator)."
 msgstr ""
+"可以透過指定 *flags* 值來修改運算式的行為，值可以是任何 `flags`_ 變數，使用位"
+"元 OR（bitwise OR、``|`` 運算子）組合。"
 
 #: ../../library/re.rst:891
 msgid "The sequence ::"
-msgstr ""
+msgstr "順序為： ::"
 
 #: ../../library/re.rst:893
 msgid ""
 "prog = re.compile(pattern)\n"
 "result = prog.match(string)"
 msgstr ""
+"prog = re.compile(pattern)\n"
+"result = prog.match(string)"
 
 #: ../../library/re.rst:896
 msgid "is equivalent to ::"
@@ -1256,7 +1262,7 @@ msgstr "等價於： ::"
 
 #: ../../library/re.rst:898
 msgid "result = re.match(pattern, string)"
-msgstr ""
+msgstr "result = re.match(pattern, string)"
 
 #: ../../library/re.rst:900
 msgid ""
@@ -1264,6 +1270,8 @@ msgid ""
 "object for reuse is more efficient when the expression will be used several "
 "times in a single program."
 msgstr ""
+"但是當表示式在單一程式中多次使用時，使用 :func:`re.compile` 並保存產生的正規"
+"表示式物件以供重複使用會更有效率。"
 
 #: ../../library/re.rst:906
 msgid ""
@@ -1272,6 +1280,8 @@ msgid ""
 "that use only a few regular expressions at a time needn't worry about "
 "compiling regular expressions."
 msgstr ""
+"傳遞給 :func:`re.compile` 之最新模式的編譯版本和模組層級匹配函式都會被快取，"
+"因此一次僅使用幾個正規表示式的程式不必去擔心編譯正規表示式。"
 
 #: ../../library/re.rst:914
 msgid ""
@@ -1281,6 +1291,9 @@ msgid ""
 "pattern; note that this is different from finding a zero-length match at "
 "some point in the string."
 msgstr ""
+"掃描 *string* 以尋找正規表示式 *pattern* 產生匹配的第一個位置，並回傳對應的 :"
+"class:`~re.Match`。如果字串中沒有與模式匹配的位置則回傳 ``None``；請注意，這"
+"與在字串中的某個點查找零長度匹配不同。"
 
 #: ../../library/re.rst:926
 msgid ""
@@ -1289,18 +1302,25 @@ msgid ""
 "``None`` if the string does not match the pattern; note that this is "
 "different from a zero-length match."
 msgstr ""
+"如果 *string* 開頭的零個或多個字元與正規表示式 *pattern* 匹配，則回傳對應的 :"
+"class:`~re.Match`。如果字串與模式不匹配，則回傳 ``None``；請注意，這與零長度"
+"匹配不同。"
 
 #: ../../library/re.rst:931
 msgid ""
 "Note that even in :const:`MULTILINE` mode, :func:`re.match` will only match "
 "at the beginning of the string and not at the beginning of each line."
 msgstr ""
+"請注意，即使在 :const:`MULTILINE` 模式 (mode) 下，:func:`re.match` 只會於字串"
+"的開頭匹配，而非每行的開頭。"
 
 #: ../../library/re.rst:934
 msgid ""
 "If you want to locate a match anywhere in *string*, use :func:`search` "
 "instead (see also :ref:`search-vs-match`)."
 msgstr ""
+"如果你想在 *string* 中的任何位置找到匹配項，請使用 :func:`search`\\ （另請參"
+"閱 :ref:`search-vs-match`）。"
 
 #: ../../library/re.rst:944
 msgid ""
@@ -1308,6 +1328,8 @@ msgid ""
 "corresponding :class:`~re.Match`.  Return ``None`` if the string does not "
 "match the pattern; note that this is different from a zero-length match."
 msgstr ""
+"如果整個 *string* 與正規表示式 *pattern* 匹配，則回傳對應的 :class:`~re."
+"Match`。如果字串與模式不匹配，則回傳 ``None``；請注意，這與零長度匹配不同。"
 
 #: ../../library/re.rst:957
 msgid ""
@@ -1317,6 +1339,9 @@ msgid ""
 "*maxsplit* splits occur, and the remainder of the string is returned as the "
 "final element of the list. ::"
 msgstr ""
+"依 *pattern* 的出現次數拆分 *string*。如果在 *pattern* 中使用捕獲括號，則模式"
+"中所有群組的文字也會作為結果串列的一部分回傳。如果 *maxsplit* 非零，則最多發"
+"生 *maxsplit* 次拆分，並且字串的其餘部分會作為串列的最終元素回傳。 ::"
 
 #: ../../library/re.rst:963
 msgid ""
@@ -1344,6 +1369,8 @@ msgid ""
 "of the string, the result will start with an empty string.  The same holds "
 "for the end of the string::"
 msgstr ""
+"如果分隔符號中有捕獲群組並且它在字串的開頭匹配，則結果將以空字串開頭。這同樣"
+"適用於字串的結尾： ::"
 
 #: ../../library/re.rst:976
 msgid ""
@@ -1357,13 +1384,13 @@ msgstr ""
 msgid ""
 "That way, separator components are always found at the same relative indices "
 "within the result list."
-msgstr ""
+msgstr "如此一來，分隔符號元件始終可以在結果串列中的相同相對索引處找到。"
 
 #: ../../library/re.rst:982
 msgid ""
 "Empty matches for the pattern split the string only when not adjacent to a "
 "previous empty match."
-msgstr ""
+msgstr "只有當與先前的空匹配不相鄰時，模式的空匹配才會拆分字串。"
 
 #: ../../library/re.rst:985
 msgid ""
@@ -1390,7 +1417,7 @@ msgstr "新增可選的旗標引數。"
 #: ../../library/re.rst:1001
 msgid ""
 "Added support of splitting on a pattern that could match an empty string."
-msgstr ""
+msgstr "新增了對可以匹配空字串之模式進行拆分的支援。"
 
 #: ../../library/re.rst:1004
 msgid ""
@@ -1398,6 +1425,8 @@ msgid ""
 "future Python versions they will be :ref:`keyword-only parameters <keyword-"
 "only_parameter>`."
 msgstr ""
+"將 *maxsplit* 和 *flags* 作為位置引數傳遞的用法已被棄用。在未來的 Python 版本"
+"中，它們將會是\\ :ref:`僅限關鍵字參數 <keyword-only_parameter>`。"
 
 #: ../../library/re.rst:1012
 msgid ""
@@ -1405,6 +1434,8 @@ msgid ""
 "strings or tuples.  The *string* is scanned left-to-right, and matches are "
 "returned in the order found.  Empty matches are included in the result."
 msgstr ""
+"以字串或元組串列的形式回傳 *string* 中 *pattern* 的所有非重疊匹配項。從左到右"
+"掃描 *string*，並按找到的順序回傳符合項目。結果中會包含空匹配項。"
 
 #: ../../library/re.rst:1016
 msgid ""
@@ -1415,10 +1446,13 @@ msgid ""
 "matching the groups.  Non-capturing groups do not affect the form of the "
 "result."
 msgstr ""
+"結果取決於模式中捕獲群組的數量。如果沒有群組，則回傳與整個模式匹配的字串串"
+"列。如果恰好存在一個群組，則回傳與該群組匹配的字串串列。如果存在多個群組，則"
+"回傳與群組匹配的字串元組串列。非捕獲群組則不影響結果的形式。"
 
 #: ../../library/re.rst:1032 ../../library/re.rst:1047
 msgid "Non-empty matches can now start just after a previous empty match."
-msgstr ""
+msgstr "非空匹配現在可以剛好在前一個空匹配的後面開始。"
 
 #: ../../library/re.rst:1038
 msgid ""
@@ -1427,6 +1461,9 @@ msgid ""
 "scanned left-to-right, and matches are returned in the order found.  Empty "
 "matches are included in the result."
 msgstr ""
+"回傳一個 :term:`iterator`，在 *string* 中的 RE *pattern* 的所有非重疊匹配上 "
+"yield :class:`~re.Match` 物件。從左到右掃描 *string*，並按找到的順序回傳匹配"
+"項目。結果中包含空匹配項。"
 
 #: ../../library/re.rst:1053
 msgid ""
@@ -1441,6 +1478,12 @@ msgid ""
 "``\\6``, are replaced with the substring matched by group 6 in the pattern. "
 "For example::"
 msgstr ""
+"回傳透過以替換 *repl* 取代 *string* 中最左邊不重疊出現的 *pattern* 所獲得的字"
+"串。如果未找到該模式，則不改變 *string* 並回傳。*repl* 可以是字串或函式；如果"
+"它是字串，則處理其中的任何反斜線轉義。也就是說 ``\\n`` 會被轉換為單一換行符、"
+"``\\r`` 會被轉換為回車符 (carriage return) 等等。ASCII 字母的未知轉義符會被保"
+"留以供將來使用並被視為錯誤。其他未知轉義符例如 ``\\&`` 會被保留。例如 "
+"``\\6`` 的反向參照將被替換為模式中第 6 組匹配的子字串。例如： ::"
 
 #: ../../library/re.rst:1064
 msgid ""
@@ -1460,6 +1503,8 @@ msgid ""
 "of *pattern*.  The function takes a single :class:`~re.Match` argument, and "
 "returns the replacement string.  For example::"
 msgstr ""
+"如果 *repl* 是一個函式，則 *pattern* 的每個不重疊出現之處都會呼叫它。此函式接"
+"收單一 :class:`~re.Match` 引數，並回傳替換字串。例如： ::"
 
 #: ../../library/re.rst:1073
 msgid ""
@@ -1485,7 +1530,7 @@ msgstr ""
 
 #: ../../library/re.rst:1082
 msgid "The pattern may be a string or a :class:`~re.Pattern`."
-msgstr ""
+msgstr "此模式可以是字串或 :class:`~re.Pattern`。"
 
 #: ../../library/re.rst:1084
 msgid ""
@@ -1495,6 +1540,9 @@ msgid ""
 "only when not adjacent to a previous empty match, so ``sub('x*', '-', "
 "'abxd')`` returns ``'-a-b--d-'``."
 msgstr ""
+"可選引數 *count* 是要替換的模式出現的最大次數；*count* 必須是非負整數。如果省"
+"略或為零，則所有出現的內容都將被替換。只有當與先前的空匹配不相鄰時，模式的空"
+"匹配才會被替換，因此 ``sub('x*', '-', 'abxd')`` 會回傳 ``'-a-b--d -'``。"
 
 #: ../../library/re.rst:1092
 msgid ""
@@ -1508,16 +1556,23 @@ msgid ""
 "backreference ``\\g<0>`` substitutes in the entire substring matched by the "
 "RE."
 msgstr ""
+"在字串型別 *repl* 引數中，除了上述字元轉義和反向參照之外，``\\g<name>`` 將使"
+"用名為 ``name`` 的群組所匹配到的子字串，如 ``(?P<name>...)`` 所定義的語法。"
+"``\\g<number>`` 使用對應的群組編號；因此 ``\\g<2>`` 等價於 ``\\2``，但在諸如 "
+"``\\g<2>0`` 之類的替換中並非模糊不清 (isn't ambiguous)。``\\20`` 將被直譯為對"
+"群組 20 的參照，而不是對後面跟著字面字元 ``'0'`` 的群組 2 的參照。反向參照 "
+"``\\g<0>`` 會取代以 RE 所匹配到的整個子字串。"
 
 #: ../../library/re.rst:1109 ../../library/re.rst:1387
 msgid "Unmatched groups are replaced with an empty string."
-msgstr ""
+msgstr "不匹配的群組將被替換為空字串。"
 
 #: ../../library/re.rst:1112
 msgid ""
 "Unknown escapes in *pattern* consisting of ``'\\'`` and an ASCII letter now "
 "are errors."
 msgstr ""
+"在由 ``'\\'`` 和一個 ASCII 字母組成之 *pattern* 中的未知轉義符現在為錯誤。"
 
 #: ../../library/re.rst:1116
 msgid ""
@@ -1525,6 +1580,8 @@ msgid ""
 "errors. Empty matches for the pattern are replaced when adjacent to a "
 "previous non-empty match."
 msgstr ""
+"由 ``'\\'`` 和一個 ASCII 字母組成之 *repl* 中的未知轉義符現在為錯誤。當與先前"
+"的非空匹配相鄰時，模式的空匹配將被替換。"
 
 #: ../../library/re.rst:1122
 msgid ""
@@ -1532,6 +1589,8 @@ msgid ""
 "strings, group *name* can only contain bytes in the ASCII range "
 "(``b'\\x00'``-``b'\\x7f'``)."
 msgstr ""
+"群組 *id* 只能包含 ASCII 數字。在 :class:`bytes` 替換字串中，群組 *name* 只能"
+"包含 ASCII 範圍內的位元組 (``b'\\x00'``-``b'\\x7f'``)。"
 
 #: ../../library/re.rst:1127
 msgid ""
@@ -1539,12 +1598,16 @@ msgid ""
 "Python versions they will be :ref:`keyword-only parameters <keyword-"
 "only_parameter>`."
 msgstr ""
+"將 *count* 和 *flags* 作為位置引數傳遞的用法已被棄用。在未來的 Python 版本"
+"中，它們將會是\\ :ref:`僅限關鍵字參數 <keyword-only_parameter>`。"
 
 #: ../../library/re.rst:1135
 msgid ""
 "Perform the same operation as :func:`sub`, but return a tuple ``(new_string, "
 "number_of_subs_made)``."
 msgstr ""
+"執行與 :func:`sub` 相同的操作，但回傳一個元組 ``(new_string, "
+"number_of_subs_made)``。"
 
 #: ../../library/re.rst:1145
 msgid ""
@@ -1552,6 +1615,8 @@ msgid ""
 "an arbitrary literal string that may have regular expression metacharacters "
 "in it.  For example::"
 msgstr ""
+"對 *pattern* 中的特殊字元進行轉義。如果你想要匹配其中可能包含正規表示式元字"
+"元 (metacharacter) 的任意文本字串，這會非常有用。例如： ::"
 
 #: ../../library/re.rst:1149
 msgid ""
@@ -1584,6 +1649,8 @@ msgid ""
 "This function must not be used for the replacement string in :func:`sub` "
 "and :func:`subn`, only backslashes should be escaped.  For example::"
 msgstr ""
+"此函式不得用於 :func:`sub` 和 :func:`subn` 中的替換字串，僅應轉義反斜線。例"
+"如： ::"
 
 #: ../../library/re.rst:1163
 msgid ""
@@ -1599,7 +1666,7 @@ msgstr ""
 
 #: ../../library/re.rst:1168
 msgid "The ``'_'`` character is no longer escaped."
-msgstr ""
+msgstr "``'_'`` 字元不再被轉義。"
 
 #: ../../library/re.rst:1171
 msgid ""
@@ -1611,11 +1678,11 @@ msgstr ""
 
 #: ../../library/re.rst:1180
 msgid "Clear the regular expression cache."
-msgstr ""
+msgstr "清除正規表示式快取。"
 
 #: ../../library/re.rst:1184
 msgid "Exceptions"
-msgstr ""
+msgstr "例外"
 
 #: ../../library/re.rst:1188
 msgid ""
@@ -1626,26 +1693,29 @@ msgid ""
 "pattern.  The ``PatternError`` instance has the following additional "
 "attributes:"
 msgstr ""
+"當傳遞給此處函式之一的字串不是有效的正規表示式（例如它可能包含不匹配的括號）"
+"或在編譯或匹配期間發生某些其他錯誤時引發的例外。如果字串不包含模式匹配項，則"
+"絕不是錯誤。``PatternError`` 實例具有以下附加屬性："
 
 #: ../../library/re.rst:1196
 msgid "The unformatted error message."
-msgstr ""
+msgstr "未格式化的錯誤訊息。"
 
 #: ../../library/re.rst:1200
 msgid "The regular expression pattern."
-msgstr ""
+msgstr "正規表示式模式。"
 
 #: ../../library/re.rst:1204
 msgid "The index in *pattern* where compilation failed (may be ``None``)."
-msgstr ""
+msgstr "*pattern* 中編譯失敗的索引（可能是 ``None``）。"
 
 #: ../../library/re.rst:1208
 msgid "The line corresponding to *pos* (may be ``None``)."
-msgstr ""
+msgstr "對應 *pos* 的列（可能是 ``None``）。"
 
 #: ../../library/re.rst:1212
 msgid "The column corresponding to *pos* (may be ``None``)."
-msgstr ""
+msgstr "對應 *pos* 的欄（可能是 ``None``）。"
 
 #: ../../library/re.rst:1214
 msgid "Added additional attributes."
@@ -1656,6 +1726,7 @@ msgid ""
 "``PatternError`` was originally named ``error``; the latter is kept as an "
 "alias for backward compatibility."
 msgstr ""
+"``PatternError`` 最初被命名為 ``error``；後者為了向後相容性而被保留為別名。"
 
 #: ../../library/re.rst:1224
 msgid "Regular Expression Objects"