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In my dataset, I have a field which stores text marked up with HTML. The general format is as follows:
<html><head></head><body><p>My text.</p></body></html>
I could attempt to solve the problem by doing the following:
REPLACE(REPLACE(Table.HtmlData, '<html><head></head><body><p>', ''), '</p></body></html>')
However, this is not a strict rule as some of entries break W3C Standards and do not include <head> tags for example. Even worse, there could be missing closing tags. So I would need to include the REPLACE function for each opening and closing tag that could exist.
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
Table.HtmlData,
'<html>', ''),
'</html>', ''),
'<head>', ''),
'</head>', ''),
'<body>', ''),
'</body>', ''),
'<p>', ''),
'</p>', '')
I was wondering if there was a better way to accomplish this than using multiple nested REPLACE functions. Unfortunately, the only languages I have available in this environment are SQL and Visual Basic (not .NET).
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DECLARE @x XML = '<html><head></head><body><p>My text.</p></body></html>'
SELECT t.c.value('.', 'NVARCHAR(MAX)')
FROM @x.nodes('*') t(c)
Update - For strings with unclosed tags:
DECLARE @x NVARCHAR(MAX) = '<html><head></head><body><p>My text.<br>More text.</p></body></html>'
SELECT x.value('.', 'NVARCHAR(MAX)')
FROM (
SELECT x = CAST(REPLACE(REPLACE(@x, '>', '/>'), '</', '<') AS XML)
) r
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