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regularni izraz

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Skener – <strong>regularni</strong> <strong>izraz</strong>i<br />

znak . označava bilo koji znak osim znaka za novi red<br />

regularnom <strong>izraz</strong>u .* odgovaraju svi mogući stringovi<br />

koji mogu da se pojave u jednom redu, uključujući i<br />

prazan red<br />

znak \ omogućuje da se posebni znakovi tretiraju kao<br />

obični<br />

regularnom <strong>izraz</strong>u a\.b odgovara string "a.b"<br />

vitičaste zagrade omogućuju definisanje broja ponavljanja<br />

<strong>regularni</strong> <strong>izraz</strong> a{2,4} opisuje stringove "aa", "aaa" i<br />

"aaaa"<br />

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