Vishal Singh Vishal023

REGEX

EXPRESSION	DESCRIPTION
[ABC]	Find one character from the options between the brackets
[^ABC]	Find one character `NOT` from the options between the brackets
[0-9]	Find one character from the range 0 to 9
[a-g]	Character between a & g

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	package com.example.myapp;

	import androidx.appcompat.app.AppCompatActivity;

	import android.os.Bundle;
	import android.text.Editable;
	import android.text.TextWatcher;
	import android.view.View;
	import android.widget.AdapterView;
	import android.widget.ArrayAdapter;

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Admin</title>
	<link rel="stylesheet" href="/css/admin.css">
	</head>
	<body>
	<header>
	<div>