For example, the expression a*\|b*c will match a string consisting of any number of as or any number of bs (but not both) terminated by a single c.

例如，表达式 a*\|b*c匹配由任何数量的a或b 组成（但不是同时）且以一个 c 结尾的字符串。

youdao

For example, the expression a*\|b*c will match a string consisting of any number of as or any number of bs (but not both) terminated by a single c.

例如，表达式 a*\|b*c匹配由任何数量的a或b 组成（但不是同时）且以一个 c 结尾的字符串。

youdao