单项选择题
A.["2019","0`","01"]B.["2019-","01-"]C.["9-","1-"]D.["9-","1-","01"]
var str =’2018-2-14’;var re =/(\d+)(-)/g;console.log(st...
单项选择题var str =’2018-2-14’;var re =/(\d+)(-)/g;console.log(str.match(re));结果是()
A.["2018","2","14"]B.["2018-","2-"]C.["8-","2-"]D.["2018-","2-","14"]
var str =’abc’;var re =/(a)(b)c/;console.log(str.match(...
单项选择题var str =’abc’;var re =/(a)(b)c/;console.log(str.match(re));结果是()
A.["abc","a","b"]B.["abc"]C.["a","b","c"]D.["abc","a","b","c"]
匹配QQ号的正则,编写正确的是()A./^[0-9]{5,}$/B./^[0-9]{5,12}$/C./^[1...
单项选择题匹配QQ号的正则,编写正确的是()
A./^[0-9]{5,}$/B./^[0-9]{5,12}$/C./^[1-9]\d{5,12}$/D./^[1-9]\d{4,11}$/