单项选择题
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}$/D./^[1-9]\d{4,11}$/
匹配yyyy-mm-dd 或yyyy/mm/dd,以下写法正确的是?()A.AB.BC.CD.D
匹配yyyy-mm-dd 或yyyy/mm/dd,以下写法正确的是?()
A.AB.BC.CD.D