<the literal < (6010 / 748 / 3C16)
athe literal a (9710 / 1418 / 6116) (case insensitive)
h1the literal text h1 (case insensitive) Negated Character Class[^\>]*? *?matches any number of characters outside the set below:
\>the literal > (6210 / 768 / 3E16)
>the literal > (6210 / 768 / 3E16)
somethe literal text some (case insensitive) Negated Character Class[^\<]*? *?matches any number of characters outside the set below:
\<the literal < (6010 / 748 / 3C16)
<the literal < (6010 / 748 / 3C16)
\/the literal / (4710 / 578 / 2F16)
\1the text saved by group 1
>the literal > (6210 / 768 / 3E16)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters