Regular expression collection problems, please help me, online, etc.-php Tutorial

Source: Internet
Author: User
Regular expression acquisition problems, please help, online and other target page http://www.weather.com.cn/weather1d/101070101.shtml
Desired value
1. 448th lines of page source code,

Update

Value in the html tag
2. data between rows 586th and 730 (which day, number, weather condition, maximum temperature and minimum temperature, wind direction and wind power) is a total of 7 days of data.

Please help me. Regular expressions cannot be written.


Reply to discussion (solution)

PHPQuery can be used, similar to JQuery


The regular expression for the first question is:

\ D {4}-\ d {2}-\ d {2} \ d {2}: \ d {2} update <\/p>

The second question is too many. I am still reading it.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.