Group 1(Hello there|\G(?!\A)) 1st AlternativeHello there Hello therethe literal text Hello there (case sensitive) \Gstart of current search
*the literal (3210 / 408 / 2016) , repeated any number of times
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
\Sany non-whitespace character
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