* (asterisk), in regular expressions, 470
[] (brackets), in regular expressions, 465, 470, 471
^ (caret), in regular expressions, 475
{} (curly braces), in regular expressions, 465
. (dot) class, in regular expressions, 471
() (parentheses), in regular expressions, 477–479
| (pipe character), in regular expressions, 474
+ (plus symbol), in regular expressions, 470
? (question mark), in regular expressions, 474, 475
\0 escape, in regular expressions, 468
2PC (two-phase commit), 548
64-bit architecture
JIT (just-in-time) compilation supporting, 131
version 2.0 improvements for, 7