c# - Parsing multiple groups -
i have html file(i can't use html agilitypack) want extract id of div(if has one) <div id="div1">street ___________________ </div> <div id="div2">cap |__|__|__|__|__| number ______ </div> <div id="div3">city _____________________ state |__|__|</div> <div id="div4">city2 ____________________ state2 _____</div> i have pattern extracting underscores __ : [\ _]{3,} now if have div in front of underscores want extract it, if not i'll underscores. i have build far pattern (<div id(.+?)>(\w)([\ _]{3,}/*))([\ _]{3,}) the first part build out of 3 groups 1 - div tag, 2 - label, 3 - underscores 1 - <div id(.+?)> , 2 - (\w) , 3 - [\ _]{3,}/* the div id div2 not take id because contains non-alfanumeric chars. q: wrong pattern ? desired matchs 4 divs: <div id="div1">street ___________________ ______ <div id="div3">city _____________...
