Extract specific data from line in python

Question

I have one variable which contains many information and I want to extract some data from that line but not getting expected result.

Following is code

import re

line = "2019-08-10 00:57:24 [Thread-0] DEBUG CSConnection - Serial : LOG: ABC=1 XYZ=42 PQR=0015236800MOSAER"
result = re.search((r" (.*?):(.*?):"), line).group(0)
print(result)

Following output I am expecting

00:57

Following output I am getting.

 00:57:

What is missing to get the result?

Answer 1

If you know what you are searching for always try to be as precise as possible. This will make it much more robust.

result = re.search(r"(\d{2}):(\d{2})", line).group(0)

Answer 2

您可以在要提取的模式周围使用捕获组：

result = re.search(r" (.*?:.*?):", line).group(1)