javascript - Format numeric string -


i've following string (meaning it's not numeric):

"0870490055012000000000"

wich 22 characters long. need transform into:

"087.049.0055.0120.0000.0000"

using php or on js/client side.

i found this not able solve problem.

i guess there many ways solve this. i'm asking like:

$x= format("00000", "xxx.xxx..xxx.x.x.x")

or

$x = preg_replace("/a;;w.;w;e;ew")

with php, can use this:

$str = preg_replace('~\a\d{3}\k\d{3}|\d{4}~', '.$0', $str);

where \a anchor start of string.

\k removes have been matched on left match result.

if need more general apply mask string, link shared in question give way do.


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