Extracting some numbers from a short HTML snippet using regular expressions

Question

I have a string like below, and I want to get both the two number "28" and "1", but right now I can only get "28" by my code. Please help me with this.

import re
content="""<span class="lineNum">      28 </span><span class="lineCov">          1 : get_pid_file(const char *file, pid_t *pid)</span>"""
pattern = "(\d+)"
ret = re.search(pattern,content)
if ret:
   print "find: %s" % ret.group()

Jared · Accepted Answer · 2013-06-14 09:32:40Z

1

Use re.findall,

>>> re.findall(r"\d+", content)
['28', '1']

But you may want to narrow down your regex.

EDIT:

You may want to change your regular expression to some variation of r"<span.*?>.*?(\d+).*?</span>" to match only numbers inside span tags.

edited Jun 14, 2013 at 9:32

answered Jun 14, 2013 at 9:16

Jared

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1 Comment

jimwan Over a year ago

Thanks for your help, how to narrow down my regex, because maybe there will be number exist in other place, so i only want to get the number between <span> </span> and the number before :

xqterry · Accepted Answer · 2013-06-14 09:21:06Z

0

pattern = "(\d+).*(\d+)"
ret = re.search(pattern,content)
print ret.group(1), ret.group(2)

answered Jun 14, 2013 at 9:21

xqterry

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