regex101: Python Substitution Workspace

Pro

\na line-feed (newline) character (ASCII 10)

Group 1( \d+ ?)

the literal (32₁₀ / 40₈ / 20₁₆)

\d+a Unicode decimal digit, repeated at least once

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

25 tokens

Regular Expression

\n( \d+ ?)

New


 23
 24 def parse_html(html_text):
 25     html = etree.HTML(html_text)
 26
 27     if len(html) > 0:
 28         img_src = html.xpath("//img[@class='photothumblazy']/@data-original")  # 元素提取方法
 29         # print(img_src)
 30         return img_src
 31
 32     else:
 33         print("解析页面元素失败")

Substitution

\n


 23
 24 def parse_html(html_text):
 25     html = etree.HTML(html_text)
 26
 27     if len(html) > 0:
 28         img_src = html.xpath("//img[@class='photothumblazy']/@data-original")  # 元素提取方法
 29         # print(img_src)
 30         return img_src
 31
 32     else:
 33         print("解析页面元素失败")