1[1]
thins prefix:User:Cpiral/sandbox/A
thus <thins>
(nam4)that
Intro, before first heading
A title
A L2
A1 title
editA1 L3
A11 title
editA11 L4
A12 title
editA12 L4
A2 title
editA2 L3
B title
editB L2
B1 title
editB1 level 3
B2 title
editB2 L3
B3 title
editB3 L3
B4 title
editB4 L3
C title
editC level 2
D title
editD level 2
E title
editE level 2 test a linksto to itself
Next up is the previous contents... lots of other stuff
1x:1=
1 parsec (3.3 ly)*
modval: 30.856776 kilometre
Regex are Perls most use tool.
There's a lot to say about regex.