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标题: 请教如何写正则表达式 [打印本页]

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作者: luyk    时间: 2021-2-21 23:31
标题: 请教如何写正则表达式

<tbody>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-FK61.pdf">H-FK61</a>
	</td>
	<td style="border-right: 0;">
	<span>1.497</span>
	</td>
	<td style="border-right: 0;">
	<span>81.61</span>
	</td>
	<td>
	<span>0.00609</span>
	</td>
	<td style="border-right: 0;">
	<span>497-816</span>
	</td>
	<td>
	<span>FCD1</span>
	</td>
	<td style="border-right: 0;">
	<span>497816</span>
	</td>
	<td>
	<span>N-PK52A</span>
	</td>
	<td style="border-right: 0;">
	<span>497816</span>
	</td>
	<td>
	<span>S-FPL51</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-FK61B.pdf">H-FK61B</a>
	</td>
	<td style="border-right: 0;">
	<span>1.497</span>
	</td>
	<td style="border-right: 0;">
	<span>81.61</span>
	</td>
	<td>
	<span>0.00609</span>
	</td>
	<td style="border-right: 0;">
	<span>497-816</span>
	</td>
	<td>
	<span>FCD1B</span>
	</td>
	<td style="border-right: 0;">
	<span>497816</span>
	</td>
	<td>
	<span>N-PK52A</span>
	</td>
	<td style="border-right: 0;">
	<span>497816</span>
	</td>
	<td>
	<span>S-FPL51</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-K5.pdf">H-K5</a>
	</td>
	<td style="border-right: 0;">
	<span>1.51007</span>
	</td>
	<td style="border-right: 0;">
	<span>63.36</span>
	</td>
	<td>
	<span>0.00805</span>
	</td>
	<td style="border-right: 0;">
	<span>510-634</span>
	</td>
	<td>
	<span>BSC1</span>
	</td>
	<td style="border-right: 0;">
	<span>510635</span>
	</td>
	<td>
	<span>BK1</span>
	</td>
	<td style="border-right: 0;">
	<span>510636</span>
	</td>
	<td>
	<span>BSL1</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-K6.pdf">H-K6</a>
	</td>
	<td style="border-right: 0;">
	<span>1.51112</span>
	</td>
	<td style="border-right: 0;">
	<span>60.46</span>
	</td>
	<td>
	<span>0.008454</span>
	</td>
	<td style="border-right: 0;">
	<span>511605</span>
	</td>
	<td>
	<span>C7</span>
	</td>
	<td style="border-right: 0;">
	<span>511604</span>
	</td>
	<td>
	<span>K7</span>
	</td>
	<td style="border-right: 0;">
	<span>511605</span>
	</td>
	<td>
	<span>NSL7</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-K9L.pdf">H-K9L</a>
	</td>
	<td style="border-right: 0;">
	<span>1.5168</span>
	</td>
	<td style="border-right: 0;">
	<span>64.2</span>
	</td>
	<td>
	<span>0.00805</span>
	</td>
	<td style="border-right: 0;">
	<span>517-642</span>
	</td>
	<td>
	<span>BSC7</span>
	</td>
	<td style="border-right: 0;">
	<span>517642</span>
	</td>
	<td>
	<span>N-BK7</span>
	</td>
	<td style="border-right: 0;">
	<span>516641</span>
	</td>
	<td>
	<span>S-BSL7</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-K9L_.pdf">H-K9L*</a>
	</td>
	<td style="border-right: 0;">
	<span>1.5168</span>
	</td>
	<td style="border-right: 0;">
	<span>64.2</span>
	</td>
	<td>
	<span>0.00805</span>
	</td>
	<td style="border-right: 0;">
	<span>517-642</span>
	</td>
	<td>
	<span>BSC7</span>
	</td>
	<td style="border-right: 0;">
	<span>517642</span>
	</td>
	<td>
	<span>N-BK7</span>
	</td>
	<td style="border-right: 0;">
	<span>516641</span>
	</td>
	<td>
	<span>S-BSL7</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-K10.pdf">H-K10</a>
	</td>
	<td style="border-right: 0;">
	<span>1.51818</span>
	</td>
	<td style="border-right: 0;">
	<span>58.95</span>
	</td>
	<td>
	<span>0.00879</span>
	</td>
	<td style="border-right: 0;">
	<span>518-590</span>
	</td>
	<td>
	<span>E-C3</span>
	</td>
	<td style="border-right: 0;">
	<span></span>
	</td>
	<td>
	<span></span>
	</td>
	<td style="border-right: 0;">
	<span>518590</span>
	</td>
	<td>
	<span>S-NSL3</span>
	</td>
	</tr>
	<tr>
	<td style="border-right: 0;">
	<a class="color10078be" href="http://www.cdgmgd.com/webapp/pdf/H-K11.pdf">H-K11</a>
	</td>
	<td style="border-right: 0;">
	<span>1.52638</span>
	</td>
	<td style="border-right: 0;">
	<span>60.16</span>
	</td>
	<td>
	<span>0.00875</span>
	</td>
	<td style="border-right: 0;">
	<span>526-601</span>
	</td>
	<td>
	<span>BACL1</span>
	</td>
	<td style="border-right: 0;">
	<span>526600</span>
	</td>
	<td>
	<span>BALK1</span>
	</td>
	<td style="border-right: 0;">
	<span>526600</span>
	</td>
	<td>
	<span>NSL21</span>
	</td>
	</tr>
	</tbody>
	</table>

如上一段源码，需要取href="网站">这个参数</a>以及<span>与</span>之间的所有字符（包含空字符），请问该如何写正则表达式，我写的遇到空白字符就自动跳过了，希望大神多多指点。谢谢

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作者: 林峰    时间: 2021-2-22 10:03


<tr>[\s\S]*?<td style="border-right: 0;">[\s\S]*?<a class="color10078be" href=".*?">(.*?)</a>[\s\S]*?</td>[\s\S]*?<td style="border-right: 0;">[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td style="border-right: 0;">[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td>[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td style="border-right: 0;">[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td>[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td style="border-right: 0;">[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td>[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td style="border-right: 0;">[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?<td>[\s\S]*?<span>(.*?)</span>[\s\S]*?</td>[\s\S]*?</tr>

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作者: 林峰    时间: 2021-2-22 11:10
和空白字符没有关系,但是和空白字符所在的那一段文本格式有关系,那一段文本格式和其他的几段格式不一样,说白了就是多了几个空格

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作者: luyk    时间: 2021-2-24 10:43

林峰 发表于 2021-2-22 11:10
和空白字符没有关系,但是和空白字符所在的那一段文本格式有关系,那一段文本格式和其他的几段格式不一样,说 ...

好的，非常感谢

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