this isn’t just an academic curiosity. flip the alternation order to (ab|a)+ and suddenly PCRE matches the entire string! the | operator in backtracking engines is ordered - it’s not union, it’s “try left first”. the order of branches changes the result, which means | is not commutative. a|b and b|a can give different matches.
Oddly, it's been reported that one condition is that OpenAI achieves artificial general intelligence. AGI is when AI evolves to or beyond human-level abilities, at which point the entire world turns into rainbows and everyone gets a pony. This could happen later this year, according to those bullish on the technology, or never, according to many researchers. Sam Altman said it was coming in 2025 but has since grown weary of the term.
。业内人士推荐搜狗输入法下载作为进阶阅读
Some of the objects discovered have already been shown to the public.，推荐阅读体育直播获取更多信息
«Били в одно место». Российский газовоз уничтожен украинскими дронами в Средиземном море. Что известно об атаке и судьбе моряков14:20