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Community Library Entry
1
Regular Expression
ECMAScript (JavaScript)
/
^
(?=
^
20
)
(?=
(?:
.
{5}
|
.
{7}
)
)
/
Open regex in editor
Description
Length of 5 or 7.
if 7, it should start with 20.
Submitted by
Chris Roe
-
10 years ago