Tbta va dt” kafedrasi mustaqil ish mavzu: Java Regex Topshirdi: 416-19-guruh talabasi Baxshullayev Baxrom Qabul qiladi: Oybek Jo’rayev Toshkent 2022 mundarija

public static void main(String args[]){
System.out.println(Pattern.matches("[amn]", "abcd"));//false (not a or m or n)
System.out.println(Pattern.matches("[amn]", "a"));//true (among a or m or n)
System.out.println(Pattern.matches("[amn]", "ammmna"));//false (m and a comes more than once)
}
Belgini nechi marotaba qo’llanilishi

Regex	Description
X?	X bitta belgi bo’lsin yoki bo’lmasa ham bo’laveradi ex: [abc]?
X+	Kamida bitta X belgisi bo’lsin. Bir nechta X belgisiga ruxsat beradi
X*	Bir nechta X belgisiga bo’lsin. X belgisi yo’q bo’lishi ham mumkin
X{n}	ketma ket kelgan n ta X belgisi bo’lishi shart
X{n,}	ketma ket kelgan n ta yoki undan ko’p X belgisi bo’lishi shart
X{y,z}	ketma ket kelgan X lar soni y dan z gacha bo’lishi mumkin

public static void main(String args[]){
System.out.println(Pattern.matches("[amn]?", "a")) System.out.println(Pattern.matches("[amn]?", "aaa"));/ System.out.println(Pattern.matches("[amn]+", "nama"));/
System.out.println(Pattern.matches("[amn]+", "aamJmmnn")); System.out.println(Pattern.matches("[amn]*", "ammmna"));
}