Find text with regex

Question

Hi. I don't understand the pattern in regex. What should I do to get: 12.411 m² from this string?:

 <div class="s20 red">68.000.000 kr.</div>
 <div class="remem">
 <input type="checkbox" id="chkRemember_d6b706eaeb544dd6a319bc9d64db7f4e"/>
 <label for="chkRemember_d6b706eaeb544dd6a319bc9d64db7f4e" class="gray bold s11 upper">Husk</label></div>
 </div>
 </div>
 <div class="kf3 tip-white" title="Antal kvadratmeter grund (m&#230;glerens registrering)"><span>Grund</span>12.411 m²</div>

This is my current code which I got from another answer. string pattern = @"[1-9]{1}\d{0,2}.?(\d{1,3}.?)*\skr.";
Regex regex = new Regex(pattern, RegexOptions.None); Match m = regex.Match(data);

Answer 1

 NODE                     EXPLANATION
 --------------------------------------------------------------------------------
   [1-9]{1}                 any character of: '1' to '9' (1 times)
 --------------------------------------------------------------------------------
   \d{0,2}                  digits (0-9) (between 0 and 2 times
                            (matching the most amount possible))
 --------------------------------------------------------------------------------
   .?                       any character except \n (optional
                            (matching the most amount possible))
 --------------------------------------------------------------------------------
   (                        group and capture to \1 (0 or more times
                            (matching the most amount possible)):
 --------------------------------------------------------------------------------
     \d{1,3}                  digits (0-9) (between 1 and 3 times
                              (matching the most amount possible))
 --------------------------------------------------------------------------------
     .?                       any character except \n (optional
                              (matching the most amount possible))
 --------------------------------------------------------------------------------
   )*                       end of \1 (NOTE: because you are using a
                            quantifier on this capture, only the LAST
                            repetition of the captured pattern will be
                            stored in \1)
 --------------------------------------------------------------------------------
   \s                       whitespace (\n, \r, \t, \f, and " ")
 --------------------------------------------------------------------------------
   kr                       'kr'
 --------------------------------------------------------------------------------
   .                        any character except \n

Find text with regex

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