JavaScript 正则表达式

Javascript正则表达式

match()

var targetStr = "testtest"
var reg = /[a-zA-Z]*/
var result = targetStr.match(reg);
result.toString()
=====================
"testtest"

test()

var targetStr = "testtest"
var reg = /[a-zA-Z]*/
var result = reg.test(targetStr);
result.toString()
=====================
"true"

exec()

var targetStr = "testtest"
var reg = /[a-zA-Z]*/
var result = reg.exec(targetStr);
result.toString()
=====================
"testtest"