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/regexp

Created January 2, 2017 00:36
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regexp
function isValid(sample) {
var regexp = /(?:\d{2}\.){2}\d{2}(?:\-{1}(?:\d{2}\.){2}\d{2})?;\s?/;
console.log(regexp.test(sample));
}
Формат нарушен, но true
isValid('22.11.16-23.11.18; 231116')
isValid('22.11.16------23.11.16;')
// true
Формат правильный, но false
isValid('22.11.16-23.11.16 ;23.11.16')
//false
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