Zhège zhèngzébiǎodáshì tài fùzá le, wǒ kàn bù dǒng.
This regex is too complex, I can't read it.
Tips
usage
Commonly abbreviated as 正则 (zhèngzé) in casual tech talk, e.g. 写个正则 'write a regex'. 正则 literally means 'regular rule' — 正 (regular/standard) + 则 (rule).
