^start of line
MAJORthe literal text MAJOR (case sensitive) .any character (except for line terminators)
.*any character (except for line terminators), repeated any number of times
.any character (except for line terminators)
Remplissage TBSthe literal text Remplissage TBS (case sensitive) .any character (except for line terminators)
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