Python正则表达式解析中间字符串

Question

I want to extract the strings in the middle of the following strings using Python

string = 'Components with opportunities:\\n4150 UNDERCARRIAGE (2019-05-11)\\n4151 TRACK ROLLER FRAME (2019-05-11)\\n4157 TRACK ADJUSTER (2019-05-11)\\n4164 SPROCKET ASSEMBLY (2019-03-18)\\n4170 TRACK ASSEMBLY (2019-03-18)\\n4172 TRACK SHOE (2019-03-18)'

such that the output is [UNDERCARRIAGE, TRACK ROLLER FRAME, TRACK ADJUSTER, SPROCKET ASSEMBLY, TRACK ASSEMBLY, TRACK SHOE]

Answer 1

You can use re.findall to match everything from space upto opening parenthesis

>>> import re
>>> re.findall(r'(?<= ).*?(?= \()', string)
['UNDERCARRIAGE', 'TRACK ROLLER FRAME', 'TRACK ADJUSTER', 'SPROCKET ASSEMBLY', 'TRACK ASSEMBLY', 'TRACK SHOE']