alphabetic class

基本解釋

The character class name for alphabetic characters.
表示字母字符的字符分類名稱。
Here, \w defines the character class [0-9A-Za-z_]—that is, any digit, alphabetic character (uppercase or lowercase), or underscore (_) is allowed.
在這里，\w 定義字符類 [0-9A-Za-z_] — 即允許任何數(shù)字、字母字符（大寫或小寫）或下劃線 (_)。
To fix this, you can create a sort procedure in a class that uses the standard alphabetic sort on most list boxes, but is able to switch at run time to the custom sort procedure for car ads.
若要解決這一問(wèn)題，可以在某個(gè)類中創(chuàng)建一個(gè)排序過(guò)程，該類在多數(shù)列表框中使用標(biāo)準(zhǔn)字母排序，但是它可以在運(yùn)行時(shí)切換為汽車廣告的自定義排序。