PJSIP/the literal text PJSIP/ (case sensitive) \d+a digit, repeated at least once
\S+any non-whitespace character, repeated at least once
Up the literal text Up (case sensitive) +matches at least one character from the set below:
\da digit
:the literal : (5810 / 728 / 3A16)
.+?any character (except for line terminators), repeated at least once
<the literal < (6010 / 748 / 3C16)
\d+a digit, repeated at least once
>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