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<p>我有一些pdf文件中的文本,我想把它分成一个字符串,这样我就有了一个列表,其中每个字符串都以一个数字和一个句点开头,然后在下一个数字之前停止</p>
<p>例如,我想将此转换为:</p>
<pre><code>'3.1 First liens 15,209,670,396 0 15,209,670,396 14,216,703,858
3.2 Other than first liens 0 0
4. Real estate:
4.1 Properties occupied by the company (less $ 43,332,898
encumbrances) 68,122,291 0 68,122,291 64,237,046
4.2 Properties held for the production of income (less
$ encumbrances) 0 0
4.3 Properties held for sale (less $
encumbrances) 0 0
5. Cash ($ (101,130,138)), cash equivalents
($ 850,185,973 ) and short-term
investments ($ 0 ) 749,055,835 0 749,055,835 1,867,997,055
6. Contract loans (including $ premium notes) 253,533,676 0 253,533,676 233,680,271
7. Derivatives 3,194,189,871 0 3,194,189,871 2,390,781,023
8. Other invested assets 749,074,191 11,899,360 737,174,831 692,916,503'
</code></pre>
<p>为此:</p>
<pre><code>['3.1 First liens 15,209,670,396 0 15,209,670,396 14,216,703,858 ',
'3.2 Other than first liens 0 0 ',
'4. Real estate:',
'4.1 Properties occupied by the company (less $ 43,332,898 encumbrances) 68,122,291 0 68,122,291 64,237,046',
'4.2 Properties held for the production of income (less $ encumbrances) 0 0'
'4.3 Properties held for sale (less $ encumbrances) 0 0',
'5. Cash ($ (101,130,138)), cash equivalents ($ 850,185,973 ) and short-term investments ($ 0 )
749,055,835 0 749,055,835 1,867,997,055',
'6. Contract loans (including $ premium notes) 253,533,676 0 253,533,676 233,680,271',
'7. Derivatives 3,194,189,871 0 3,194,189,871 2,390,781,023',
'8. Other invested assets 749,074,191 11,899,360 737,174,831 692,916,503']
</code></pre>
问题是原始字符串在名称的中间散布“\n”(例如,在4.1个单词中,在单词后缀之前有一个\n)。
<pre><code>(\d+\.[\s\S]*(?!\d+\.))
</code></pre>
<p>这是我一直尝试使用的正则表达式,但它匹配整个字符串而不是每个数字行。我的正则表达式有没有办法在下一个数字行之前停止匹配</p>