1 def get_string(string, key):
2 chars = ['。', '，', '.', ',', '\\n']
3 print("old str:" + string)
4 match = re.search(key, string)
5 if match:
6 start = match.start()
7 end = match.end()
8 beforeText = string[0:start]
9 endText = string[end: len(string)]
10 print("beforeText:" + beforeText)
11 print("endText:" + endText)
12
13 beforeIndex = getBeforeCharIndex(beforeText, chars)
14 if beforeIndex > -1:
15 beforeText = beforeText[0:beforeIndex]
16
17 nextIndex = getNextCharIndex(endText, chars)
18 if nextIndex < len(endText):
19 endText = endText[nextIndex:len(endText)]
20
21 print("result str:" + beforeText + endText)
22
23
24 def getBeforeCharIndex(str, chars):
25 index = -1
26 for c in chars:
27 cIndex = str.rfind(c)
28 if (cIndex > index):
29 index = cIndex
30 return index
31
32
33 def getNextCharIndex(str, chars):
34 index = len(str)
35 for c in chars:
36 try:
37 cIndex = str.index(c)
38 if (cIndex < index):
39 index = cIndex
40 except Exception as e:
41 print(c)
42 # print(e)
43 return index