在方括号中，通过使用-（连字符），比如 [a-z]或者所有的小写字母，您可以引用某个范围的字符。

Within the brackets, you can refer to a range of characters by using - (hyphen), as in [a-z] or all lowercase letters.

youdao

OmegaT +一般用两个字符的语言代码和两个字符的国家代码通过一个连字符进行连接。

In general, this USES a two character language and two character country code connected by a hyphen.

youdao

OmegaT +一般用两个字符的语言代码和两个字符的国家代码通过一个连字符进行连接。

In general, this USES a two character language and two character country code connected by a hyphen.

youdao