字符 [计算机] character◇字符处理 character handing; character manipulation; character processing; 字符打印机 character printer; 字符计算机 character computer; 字符键盘 figure keyboard; 字符移入 character shift-in; 字符译码器 character decoder; 字符印字机 alphanumeric printer
Determines whether a character is in a character class 确定字符是否在字符类中。
The important point , though , is to realize that essentially 以下是可用字符类的相当完整的列表:
Note that white space is never eliminated from within a character class )请注意,空白永远不会从字符类中消除。
Category represents " symbol , math " 字符类说明
Matches any character in the unicode general category or named block specified by 指定的命名字符类中的任何字符都匹配。
Character class escapes 字符类转义符
Character class , where 字符类中,
For a complete list of character classes , see appendix b of the xml specification 有关字符类的完整列表,请参阅xml规范的附录b 。
A quantifier expression applies to the character , group , or character class that immediately precedes it 限定符表达式应用于紧挨着它前面的字符、组或字符类。
You can specify a character class , by enclosing a list of characters in [ ] , which will match any one character from the list 你可以通过用[ ]包括一系列字符指定一个字符类,将匹配任何[ ]中的字符。