start: foo
xxxxxxxxxxxx'piep'
bla bla blah
out " in ""
"'" 'blah'yyyyy'buh'
bla `` b`la
voo "zzzzzzzzzzzzzzzzzzzzzzzzzzzzsd

<begin>
-<b>asdf<i></i>asdf</b>-
-<b></b>-
-<b>asdfasdf</b>-
--
</begin>
b
bc
c
a
-1
0
SEARCH:
searchmatch
abcdx |  | abcdx
join lines
zerowidth pattern
elete first and last char
 uniquepattern
my very excellent mongoose just served us nachos
end: