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Hey just cant figure out this one : I have a text given like this: <li data-item="result" data-obid="77536552" id="result-77536552" class="resultlist box result_entry_l"> <div class="result_entry_box"> <div class="gallery hideable"> <a href="/expose/77536552" data-is24-replaceUrlOnClick="/Suche/controller/exposeNavigation/goToExpose.go?exposeId=77536552&resultListPosition=1&searchUrl=/Suche/S-T/Wohnung-Miete/Bayern/Muenchen/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/true&referrer=RESULT_LIST_LISTING" class="hideable"> <div class="galleryLoading"><i class="fa fa-picture-o"></i></div> This is just a small part of a huge website. Now I would like to filter this: 77536552 out of the whole text. I already know that I can use "_StringBetween" to better define it's position but how can I search for a string which is exactly 8 chars long and only consists of numbers? Guess I will also have to delete duplicates afterwards... Thanks in advance & best regards Andrewz