From 8756bc4fe489edcb3f176428be4d21d682b57bcf Mon Sep 17 00:00:00 2001
From: kio <1>
Date: Tue, 21 Dec 2021 10:31:56 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B5=8B=E8=AF=954?=
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---
 04. regex_exception/xuhetong_04.py | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/04. regex_exception/xuhetong_04.py b/04. regex_exception/xuhetong_04.py
index 0f54322..cc27708 100644
--- a/04. regex_exception/xuhetong_04.py	
+++ b/04. regex_exception/xuhetong_04.py	
@@ -6,15 +6,32 @@ def get_pattern_result_list(resource, pattern):
     return list(r)
 
 
+def get_min_match(list_r, number):
+    min = 100000000
+    min_item = None
+    for item in list_r:
+        if abs(int(item.group())-int(number)) < min:
+            min = abs(int(item[0])-int(number))
+            min_item = item
+    return min_item
+
+
+
 if __name__ == '__main__':
     with open('pi.txt', 'r') as f:
         pi = f.read()
-    pattern1 = "19910205"
-    r = get_pattern_result_list(pi, pattern1)
+    bir = "19910205"
+    # 1980 1984 1988 1992 1996 2000 闰年
+    # 月份判断 反正很长写不出第二次
+    pattern1 = "(((19[8-9][0-9]|2000)((01|03|05|07|08|10|12)(0[1-9]|[12][0-9]|3[01])|(04|06|09|11)(0[1-9]|[12][0-9]|30])|02(0[1-9]|1[0-9]|2[1-8])))|(1980|1984|1988|1992|2000)0229)"
+    r = get_pattern_result_list(pi, bir)
     if len(r) == 0:
         print(" no match")
+        r = get_pattern_result_list(pi, pattern1)
+        min_match = get_min_match(r, bir)
+        print(f"min match {min_match.group()} at {min_match.span()[0]} to {min_match.span()[1]}")
     else:
-        print(f"first match {r[0].group()} at {r[0].span()[0]} to {r[0].span()[1]}")
+        print(f" match {r[0].group()} at {r[0].span()[0]} to {r[0].span()[1]}")
 
     pattern2 = "(19[6-9][0-9]|20[0-1][1-9]|202[0-1])"
     r = get_pattern_result_list(pi, pattern2)
-- 
Gitee