匹配特定模式的成语

背景需求：

问题描述:使用Python正则表达式，进行汉语成语的模式搜索

搜索目的地：汉语成语词典

搜索目标：几种特殊模式的成语，例如：

（1）xxyy模式的，高高兴兴，快快乐乐

（2）数字模式的，三心二意，一泻千里

（3）动物模式的，鸡鸣狗盗，狐假虎威

（4）……

先将汉语成语文件准备好，再在文件中，使用正则表达式，进行搜索。搜索结果，显示在屏幕上，同时保存到一个结果文件中。

代码：

# Function:
#   请教怎样使用Python正则表达式，进行汉语成语模式搜索-CSDN论坛
#   https://bbs.csdn.net/topics/396860414
# Author: Crifan
# Update: 20200619

import re

seperator = "-"

idiomStr = """高高兴兴
快快乐乐
快乐至上
欢欢喜喜
欢天喜地

一心一意
三心二意
一泻千里
三番五次
一鼓作气
以一敌万

鸡鸣狗盗
狐假虎威
兔死狐悲
狗急跳墙
"""

def printSeperatorLine(curTitle):
    print("%s %s %s" % (seperator*30, curTitle , seperator*30))

def printEachMatchGroup(someIter):
    for curIdx, eachMatch in enumerate(someIter):
        curNum = curIdx + 1
        # print("eachMatch=%s" % eachMatch)
        eachMatchWholeStr = eachMatch.group(0)
        print("[%d] %s" % (curNum, eachMatchWholeStr))

printSeperatorLine("xxyy模式成语")

# xxyyP = "(\S)\1(\S)\2"
# xxyyP = "(\S)\1(\S)\2"
# xxyyP = "(\S)\1"
# xxyyP = "(.)\1"
# xxyyP = "(.)\\1"
# xxyyP = "(?:P\S)\\1(\S)\\2"
xxyyP = "(\S)\\1(\S)\\2"
# foundAllXxyy = re.findall(xxyyP, idiomStr, re.S)
# foundAllXxyy = re.search(xxyyP, idiomStr, re.S)
# foundAllXxyyIter = re.finditer(xxyyP, idiomStr, re.S)
foundAllXxyyIter = re.finditer(xxyyP, idiomStr)
# print("foundAllXxyy=%s" % foundAllXxyy)
# for curIdx, eachMatch in enumerate(foundAllXxyyIter):
#     curNum = curIdx + 1
#     # print("eachMatch=%s" % eachMatch)
#     eachMatchWholeStr = eachMatch.group(0)
#     print("[%d] %s" % (curNum, eachMatchWholeStr)
printEachMatchGroup(foundAllXxyyIter)

# print("%s %s %s" % (seperator*30, "数字模式成语" , seperator*30))
printSeperatorLine("数字模式成语")

# refer: 
#   个,十,百,千,万……兆 后面是什么?-作业-慧海网
#   https://www.ajpsp.com/zuoye/4174539
zhcnDigitList = [
    "一",
    "二",
    "三",
    "四",
    "五",
    "六",
    "七",
    "八",
    "九",
    "十",
    "百",
    "千",
    "万",
    "亿",
    "兆",
    "京",
    "垓",
    "秭",
    "穰",
    "沟",
    "涧",
    "正",
    "载",
]
zhcnDigitListGroup = "|".join(zhcnDigitList)
zhcnDigitP = "(%s)\S(%s)\S" % (zhcnDigitListGroup, zhcnDigitListGroup)
zhcnDigitIter = re.finditer(zhcnDigitP, idiomStr, re.S)
printEachMatchGroup(zhcnDigitIter)

printSeperatorLine("动物模式成语")

animalList = [
    "鸡",
    "鸭",
    "猫",
    "狗",
    "猪",
    "兔",
    "狐",
    "狼",
    "虎",
    "豹",
    "狮",
    # TODO：添加更多常见动物
]
animalGroup = "|".join(animalList)
animalP = "(%s)\S(%s)\S" % (animalGroup, animalGroup)
animalIter = re.finditer(animalP, idiomStr, re.S)
printEachMatchGroup(animalIter)

输出：

------------------------------ xxyy模式成语 ------------------------------
[1] 高高兴兴
[2] 快快乐乐
[3] 欢欢喜喜
------------------------------ 数字模式成语 ------------------------------
[1] 一心一意
[2] 三心二意
[3] 一泻千里
[4] 三番五次
------------------------------ 动物模式成语 ------------------------------
[1] 鸡鸣狗盗
[2] 狐假虎威
[3] 兔死狐悲