?repeats the group contents below at most once:
*the literal (3210 / 408 / 2016) , repeated any number of times
\|the literal | (12410 / 1748 / 7C16)
*the literal (3210 / 408 / 2016) , repeated any number of times
+matches at least one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
-the literal - (4510 / 558 / 2D16)
+matches at least one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
?repeats the group contents below at most once:
*the literal (3210 / 408 / 2016) , repeated any number of times
\|the literal | (12410 / 1748 / 7C16)
Negated Character Class[^][|]+ +matches at least one character outside the set below:
]the literal ] (9310 / 1358 / 5D16)
[the literal [ (9110 / 1338 / 5B16)
|the literal | (12410 / 1748 / 7C16)