<p>我就这个问题发布了这个新的(第二个)实现,我认为更准确,希望有帮助:</p>
<pre><code>import re
data = [
'LONDON-UK-L16-N1',
'LONDON-UK-L17-N1',
'LONDON-UK-L16-N2',
'LONDON-UK-L17-N2',
'LONDON-UK-L18-N2',
'PARIS-France-L16-N2',
]
def merge(data):
data.sort()
data = [y for y in [x.split('-') for x in data]]
for col in range(len(data[0]) - 1, -1, -1):
result = []
def add_result():
result.append([])
if headstr:
result[-1] += headstr.split('-')
if len(list(findnum)) > 1:
result[-1] += [f'{findstr}({"|".join(sorted(findnum))})']
elif len(list(findnum)) == 1:
result[-1] += [f'{findstr}{findnum[0]}']
if tailstr:
result[-1] += tailstr.split('-')
_headstr = lambda x, y: '-'.join(x[:y])
_tailstr = lambda x, y: '-'.join(x[y + 1:])
_findstr = lambda x: re.findall('(\D+)', x)[0] if re.findall('(\D+)', x) else ''
_findnum = lambda x: re.findall('(\d+)', x)[0] if re.findall('(\d+)', x) else ''
headstr = _headstr(data[0], col)
tailstr = _tailstr(data[0], col)
findstr = _findstr(data[0][col])
findnum = []
for row in data:
if headstr + findstr + tailstr != _headstr(row, col) + _findstr(row[col]) + _tailstr(row, col):
add_result()
headstr = _headstr(row, col)
tailstr = _tailstr(row, col)
findstr = _findstr(row[col])
findnum = []
if _findnum(row[col]) not in findnum:
findnum.append(_findnum(row[col]))
else:
add_result()
data = result[:]
return ['-'.join(x) for x in result]
print(merge(data)) # ['LONDON-UK-L(16|17)-N(1|2)', 'LONDON-UK-L18-N2', 'PARIS-France-L16-N2']
</code></pre>