python - How to regex hashtag with digits after in python2? -


i want find hashtag 1 6 digits after python 2.7 , regex doesn't match properly.

here example :

chaine = "[url=http://forum.darkgyver.fr/t27142-probleme-boitier-papillon-faisceau#265132:<uid>]http://forum.darkgyver.fr/t27142-probleme-boitier-papillon-faisceau#265132[/url:<uid>]" regex = re.compile('http://forum.darkgyver.fr/(.*)\#(\d{1-6})') match = regex.search(chaine) if match:         pos1 = match.start()         pos2 = match.end() else:             pos1 = -1         pos2 = -1  print "pos1 %d" % pos1 print "pos2 %d" % pos2 url_tempo = chaine[pos1:pos2] print "url_tempo %s" % url_tempo             pospost = pos1 + url_tempo.find('#') + 1 numpost = chaine[pospost:pos2] print "numpost %s" % numpost

this first regex returns "no match". perhaps hashtag not declared properly.

so changed regex follows:

regex = re.compile('http://forum.darkgyver.fr/(.*)\#([0-9]+(:| |    |\n|\[|$))')

which matches wrong position pos2=161 should pos2=80

how can fix regex hashtag , 1 6 digits behind?

you attempting extract hashtag url. string have given, seem more logical try , extract digits between # , : characters. if had hashtag 7 digits, want 7 digits or want not match it? in case, guess not want first 6 digits.

by using grouping operator (), if there match, hashtag can seen using qroup(1) command, avoiding need try , extract using string slicing.

the following shows 1 possible way extract hashtag:

chaine = "[url=http://forum.darkgyver.fr/t27142-probleme-boitier-papillon-faisceau#265132:<uid>]http://forum.darkgyver.fr/t27142-probleme-boitier-papillon-faisceau#265132[/url:<uid>]"  re_hashtag = re.search(re.escape("http://forum.darkgyver.fr") + ".*?#(\d+):", chaine)  print re_hashtag.start()     print re_hashtag.end() print re_hashtag.group(1)

this display following:

5 80 265132

the start position of 5 because starts matching chosen http.

note, have used escape() function make sure url correctly escaped. if print following see how initial regular expression should have been written:

print re.escape("http://forum.darkgyver.fr")

giving:

http\:\/\/forum\.darkgyver\.fr

-

Comments

Post a Comment

Popular posts from this blog

c# - Binding a comma separated list to a List<int> in asp.net web api -

the default binder in web api expecst http://url.com/webapi/report/?pageids=3243&pageids=2365 to bind public ihttpactionresult report(list<int> pageids){ // exciting webapi code} i wish bind http://url.com/webapi/report/?pageids=3243,2365 as running out of space in url get . i have created class public class commaseparatedmodelbinder : system.web.http.modelbinding.imodelbinder { public bool bindmodel(httpactioncontext actioncontext, modelbindingcontext bindingcontext) { //binding in here } } and registered in webapiconfig.cs var provider = new simplemodelbinderprovider( typeof(list<int>), new commaseparatedmodelbinder()); config.services.insert(typeof(modelbinderprovider), 0, provider); i have altered method signature use model binder so public ihttpactionresult report( [modelbinder] list<int> pageids){ // exciting webapi code} however break point in binder not being
Read more

Delphi 7 and decode UTF-8 base64 -

in delphi 7, have widestring encoded base64(that received web service widestring result) : pd94bwwgdmvyc2lvbj0ims4wij8+dqo8c3ryaw5nptiq2lpyqjwvc3ryaw5npg== when decoded it, result not utf-8: <?xml version="1.0"?> <string>طھط³طھ</string> but when decoded base64decode.org, result true : <?xml version="1.0"?> <string>تست</string> i have use encddecd unit decodestring function. the problem have using decodestring . function, in delphi 7, treats decoded binary data being ansi encoded. , problem text utf-8 encoded. to continue encddecd unit have couple of options. can switch decodestream . instance, code produce utf-8 encoded text file data: {$apptype console} uses classes, encddecd; const data = 'pd94bwwgdmvyc2lvbj0ims4wij8+dqo8c3ryaw5nptiq2lpyqjwvc3ryaw5npg=='; var input: tstringstream; output: tfilestream; begin input := tstringstream.create(data); try output := tfilestream.
Read more

html - Is there any way to exclude a single element from the style? (Bootstrap) -

so, have img logo, overlaid on div styled background-image: url("...") , , both elements inside 2 div classes .to-color , .to-overlay respectively, black transparent overlay. is there way exclude logo style given these 2 classes? here's jsfiddle example: link html , css example: - html - <div class="to-color"> <div class="to-overlay"> <div class="respo"> <div class="row"> <div class="col-xs-4 col-xs-offset-4 text-center"> <img src="http://ansonalex.com/wp-content/uploads/2011/06/google-logo-768x260.png" alt="..." class="img-responsive"> </div> </div> </div> </div> </div> - css - .to-color { background-color: #000; } .to-overlay { opacity : 0.5; } .respo { background-image: url("https://source.unsplash.com/category/objects/1600x900"); background-position: center center;
Read more