var a = 'aaa_aa_a';//1.var r1 = /a/y;
a.replace(r1,'*') //"*aa_aa_a"//2.var r2 = /a/g;
a.replace(r2,'*') //"***_**_*"//3.var r3 = /a/gy;
a.replace(r3,'*'); //"***_aa_a"請(qǐng)教下，對(duì)于1來說，y不是會(huì)粘連匹配的嗎？為何不是***_aa_a對(duì)于3來說，g是全局匹配的？為何不是***_**_*？難道還會(huì)有優(yōu)先級(jí)問題嗎？謝謝
正則修飾符y與g
Qyouu
2018-10-11 18:13:05
