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javascript - How to loop all the elements that match the regex?

Here is the case: I want to find the elements which match the regex...

targetText = "SomeT1extSomeT2extSomeT3extSomeT4extSomeT5extSomeT6ext"

and I use the regex in javascript like this

reg = new RegExp(/e(.*?)e/g);   
var result = reg.exec(targetText);

and I only get the first one, but not the follow.... I can get the T1 only, but not T2, T3 ... ...

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var reg = /e(.*?)e/g;
var result;
while((result = reg.exec(targetText)) !== null) {
    doSomethingWith(result);
}

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