js正则匹配查找

var pattern1 = /好/g;
console.log(pattern1.test("你好"));

var pattern1 = /\w/;
console.log(pattern1.test("njkhjkjk"));

var pattern1 = /\s/;
console.log(pattern1.test("njkhjkjk"));

var re = "人中人人人人",
rex = /中/g,
ary = rex.exec(re),
i = 0;

while(ary){
i++;
ary = rex.exec(re);
}

console.log(i);

var
str = "a.swf",
reg = /\./,
temp = "";

if(reg.test(str)){

temp = RegExp.rightContext;

}

console.log(temp);