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.
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MacBook Neo features two USB-C ports for connecting accessories or an external display.5 Both ports can be used for charging. MacBook Neo also includes a headphone jack for wired audio. Wi-Fi 6E provides fast wireless connectivity, and Bluetooth 6 ensures reliable wireless connections for peripherals and accessories.。业内人士推荐WPS下载最新地址作为进阶阅读
Asda has lost its mojo and has a big fight to get it back
第十四条 纳税人按照简易计税方法计算缴纳增值税的，因销售折让、中止或者退回而退还给购买方的销售额，应当从当期销售额中扣减。扣减当期销售额后仍有多缴税款的，可以从以后的应纳税额中扣减或者按规定申请退还。