rúguǒ / zhèngzé / biǎodáshì / lǐ / yào / pǐpèi / fǎnxiéxiàn / wǎngwǎng / xūyào / xiān / jìnxíng / zhuǎnyì

如果正则表达式里要匹配反斜线，往往需要先进行转义。

If you want to match a backslash in a regular expression, you often need to escape it first.