^start of line
\s+a Unicode whitespace character, repeated at least once
<spanthe literal text <span (case sensitive) .+any Unicode character (except for line terminators), repeated at least once
lj:user="
the literal text lj:user=" (case sensitive) Character Class[-\w]{1,15} {1,15}matches between 1 and 15 characters from the set below:
-the literal - (4510 / 558 / 2D16)
\wa Unicode word character
.+any Unicode character (except for line terminators), repeated at least once
<b>
the literal text <b> (case sensitive) +matches at least one character from the set below:
-the literal - (4510 / 558 / 2D16)
\wa Unicode word character
\sa Unicode whitespace character
\/the literal / (4710 / 578 / 2F16)
b>the literal text b> (case sensitive) .+any Unicode character (except for line terminators), repeated at least once
—the literal text — (case sensitive) \sa Unicode whitespace character
Character Class[-\.\w\s]+ +matches at least one character from the set below:
-the literal - (4510 / 558 / 2D16)
\.the literal . (4610 / 568 / 2E16)
\wa Unicode word character
\sa Unicode whitespace character
\/the literal / (4710 / 578 / 2F16)
div>the literal text div> (case sensitive) $end of line
g modifier: global. Finds all matches instead of stopping after the first
x modifier: extended. Ignores unescaped whitespace and comments outside character classes
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
u modifier: unicode. Treats the pattern and subject as UTF-16