<p>由于我们的行数似乎不是静态的,我们可以得到6位数的数字和日期,然后收集所有行,然后编写问题的其余部分,也许这个简单的表达式是我们感兴趣的:</p>
<pre><code>(\d{6})\s(\d{1,}:\d{2}:\d{2})|\s*(.*)\s*
</code></pre>
<p>这里有我们的数字部分:</p>
<pre><code>(\d{6})\s(\d{1,}:\d{2}:\d{2})
</code></pre>
<p>我们这里的台词是:</p>
<pre><code>\s*(.*)\s*
</code></pre>
<h3><a href="https://regex101.com/r/WHE2CN/1/" rel="nofollow noreferrer">Demo</a></h3>
<h3>测试</h3>
<pre><code># coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(\d{6})\s(\d{1,}:\d{2}:\d{2})|\s*(.*)\s*"
test_str = ("190219 7:05:30 line3 success \n"
" line3 this is the 1st success process\n"
" line3 this process need 3sec\n"
"200219 9:10:10 line2 success \n"
" line2 this is the 1st success process\n"
"190219 7:05:30 line3 success \n"
" line3 this is the 1st success process\n"
" line3 this process need 3sec\n"
"200219 9:10:10 line2 success \n"
" line2 this is the 1st success process\n"
"200219 9:10:10 line2 success \n"
" line2 this is the 1st success process\n"
" line2 this is the 1st success process\n"
" line2 this is the 1st success process\n"
" line2 this is the 1st success process\n"
" line2 this is the 1st success process\n"
" line2 this is the 1st success process")
matches = re.finditer(regex, test_str, re.MULTILINE)
for matchNum, match in enumerate(matches, start=1):
print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
for groupNum in range(0, len(match.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
</code></pre>
<h3>输出</h3>
<pre><code>Match 1 was found at 0-14: 190219 7:05:30
Group 1 found at 0-6: 190219
Group 2 found at 7-14: 7:05:30
Group 3 found at -1 1: None
Match 2 was found at 14-45: line3 success
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 15-29: line3 success
Match 3 was found at 45-98: line3 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 45-82: line3 this is the 1st success process
Match 4 was found at 98-127: line3 this process need 3sec
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 98-126: line3 this process need 3sec
Match 5 was found at 127-141: 200219 9:10:10
Group 1 found at 127-133: 200219
Group 2 found at 134-141: 9:10:10
Group 3 found at -1 1: None
Match 6 was found at 141-172: line2 success
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 142-156: line2 success
Match 7 was found at 172-210: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 172-209: line2 this is the 1st success process
Match 8 was found at 210-224: 190219 7:05:30
Group 1 found at 210-216: 190219
Group 2 found at 217-224: 7:05:30
Group 3 found at -1 1: None
Match 9 was found at 224-255: line3 success
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 225-239: line3 success
Match 10 was found at 255-308: line3 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 255-292: line3 this is the 1st success process
Match 11 was found at 308-337: line3 this process need 3sec
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 308-336: line3 this process need 3sec
Match 12 was found at 337-351: 200219 9:10:10
Group 1 found at 337-343: 200219
Group 2 found at 344-351: 9:10:10
Group 3 found at -1 1: None
Match 13 was found at 351-382: line2 success
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 352-366: line2 success
Match 14 was found at 382-420: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 382-419: line2 this is the 1st success process
Match 15 was found at 420-434: 200219 9:10:10
Group 1 found at 420-426: 200219
Group 2 found at 427-434: 9:10:10
Group 3 found at -1 1: None
Match 16 was found at 434-465: line2 success
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 435-449: line2 success
Match 17 was found at 465-518: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 465-502: line2 this is the 1st success process
Match 18 was found at 518-571: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 518-555: line2 this is the 1st success process
Match 19 was found at 571-624: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 571-608: line2 this is the 1st success process
Match 20 was found at 624-677: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 624-661: line2 this is the 1st success process
Match 21 was found at 677-730: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 677-714: line2 this is the 1st success process
Match 22 was found at 730-767: line2 this is the 1st success process
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 730-767: line2 this is the 1st success process
Match 23 was found at 767-767:
Group 1 found at -1 1: None
Group 2 found at -1 1: None
Group 3 found at 767-767:
</code></pre>