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2017-03-21 17:14:05 +03:00 · 2017-03-21 17:14:05 +03:00 · 97c8f22bbb
commit 97c8f22bbb
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--- a/10-regular-expressions-javascript/12-regexp-anchors/2-test-mac/task.md
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-# Check MAC-address
-
-[MAC-address](https://en.wikipedia.org/wiki/MAC_address) of a network interface consists of 6 two-digit hex numbers separated by a colon.
-
-For instance: `subject:'01:32:54:67:89:AB'`.
-
-Write a regexp that checks whether a string is MAC-address.
-
-Usage:
-```js
-let reg = /your regexp/;
-
-alert( reg.test('01:32:54:67:89:AB') ); // true
-
-alert( reg.test('0132546789AB') ); // false (no colons)
-
-alert( reg.test('01:32:54:67:89') ); // false (5 numbers, must be 6)
-
-alert( reg.test('01:32:54:67:89:ZZ') ) // false (ZZ ad the end)
-```