\<the literal < (6010 / 748 / 3C16)
bthe literal b (9810 / 1428 / 6216) (case insensitive)
Negated Character Class[^<]*? *?matches any number of characters outside the set below:
<the literal < (6010 / 748 / 3C16)
\>the literal > (6210 / 768 / 3E16)
Negated Character Class[^\s<]+? +?matches at least one character outside the set below:
\sa Unicode whitespace character
<the literal < (6010 / 748 / 3C16)
\<the literal < (6010 / 748 / 3C16)
\/the literal / (4710 / 578 / 2F16)
bthe literal b (9810 / 1428 / 6216) (case insensitive)
\>the literal > (6210 / 768 / 3E16)
\s*a Unicode whitespace character, repeated any number of times
Negative Lookahead(?!\<br\>) \<the literal < (6010 / 748 / 3C16)
brthe literal text br (case insensitive) \>the literal > (6210 / 768 / 3E16)
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
u modifier: unicode. Treats the pattern and subject as UTF-16
g modifier: global. Finds all matches instead of stopping after the first