I need to extract the PubMed IDs from the below HTML, but I am not too fluent in the use of regexp.
Can anyone help with how I would extract the IDs from the below HTML, and store them in a vector?
I'm guessing there is some way to say: what is between '<Id>' and '</Id>' store in…
version="1.0" ? eSearchResult PUBLIC "-//NLM//DTD eSearchResult, 11 May 2002//EN" "http://www.ncbi.nlm.nih.gov/entrez/query/DTD/eSearch_020511.dtd" eSearchResult<Count>8</Count><RetMax>8</RetMax><RetStart>0</RetStart><IdList> href = "Id>16123227</Id">Id>16123227</Id</a href = "Id>9561342</Id">Id>9561342</Id</a href = "Id>8429296</Id">Id>8429296</Id</a href = "Id>1408722</Id">Id>1408722</Id</a href = "Id>2152845</Id">Id>2152845</Id</a href = "Id>2894889</Id">Id>2894889</Id</a href = "Id>2860133</Id">Id>2860133</Id</a href = "Id>6145799</Id">Id>6145799</Id</a /IdList<TranslationSet/><TranslationStack> TermSet Term"ulcerative colitis"[All Fields]</Term> href = "Field>All">Fields</Field</a href = "Count>33249</Count">Count>33249</Count</a href = "Explode>N</Explode">Explode>N</Explode</a /TermSet TermSet Term"Clonidine"[All Fields]</Term> href = "Field>All">Fields</Field</a href = "Count>16458</Count">Count>16458</Count</a href = "Explode>N</Explode">Explode>N</Explode</a /TermSet href = "OP>AND</OP">OP>AND</OP</a /TranslationStack<QueryTranslation>"ulcerative colitis"[All Fields] AND "Clonidine"[All Fields]</QueryTranslation></eSearchResult>
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