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Community Library Entry
4
Regular Expression
PCRE (PHP <7.3)
/
(
^
5
[
1
-
5
]
[
0
-
9
]
{14}
$
)
|
(
^
2221
[
0
-
9
]
{12}
$
)
|
(
^
222
[
2
-
9
]
[
0
-
9
]
{12}
$
)
|
(
^
22
[
3
-
9
]
[
0
-
9
]
{13}
$
)
|
(
^
2
[
3
-
6
]
[
0
-
9
]
{14}
$
)
|
(
^
2720
[
0
-
9
]
{12}
$
)
|
(
^
27
[
0
-
1
]
[
0
-
9
]
{13}
$
)
/
gm
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Description
Match a MasterCard with new range for 2017: 51-55 and 2221-2720
@incarnated
Submitted by
John C
-
9 years ago