Parsing stray greater/less than symbols in HTML (original) (raw)

$str = "

This is a test. This test is > that test, but is less than < the other test. The previous test may be

[Error: Irreparable invalid markup ('<the [...] test,>') in entry. Owner must fix manually. Raw contents below.]

$str = "

This is a test. This test is > that test, but is less than < the other test. The previous test may be than the third test. The fourth test may be < the first, but > than the last. This is the end of the test string.

";

Need to identify and convert the legit, non HTML greater/less than signs to ASCII.. I'm running out of ideas, especially with the substrings:

The previous test may be < the second test, but is likely > than the third test.
and
The fourth test may be < the first, but > than the last.

Anyone have a suggestion or hint on how to accomplish this?

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