单项选择题
匹配book、food、good这三个单词的正则表达式,以下正则编写正确的有()
A.AB.BC.CD.D
下列哪个字符串与var patt1=/lo+/g;匹配?()A.lB.HeloC.HelaoooD.lhw
单项选择题下列哪个字符串与var patt1=/lo+/g;匹配?()
A.lB.HeloC.HelaoooD.lhw
var patt1=/\d{4,}\$?$/g;与该正则匹配的字符串有哪些()A.1000B.99$C.199...
单项选择题var patt1=/\d{4,}\$?$/g;与该正则匹配的字符串有哪些()
A.1000B.99$C.199.99$D.256$
var str="Take me and tom to the moon"; var patt1=/\bm/g...
单项选择题var str="Take me and tom to the moon"; var patt1=/\bm/g; console.log(str.match(patt1));打印结果是()
A.["m","m"]B.["m","m","m"]C.["me","monn"]D.["me","tom","monn"]