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26 lines
548 B

/*===
false 10 0
true 10 10
===*/
/* "new RegExp(re)" where 're' is a RegExp does NOT return the object
* as is, but instead creates a "clone" with the same pattern and
* flags. lastIndex is initialized to zero.
*
* "RegExp(re)" does return the same object.
*/
try {
var re1 = /foo/g;
var re2;
re1.lastIndex = 10;
re2 = new RegExp(re1);
print(re1 === re2, re1.lastIndex, re2.lastIndex);
re1.lastIndex = 10;
re2 = RegExp(re1);
print(re1 === re2, re1.lastIndex, re2.lastIndex);
} catch (e) {
print(e);
}