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Created April 19, 2020 17:49
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JavaScript - Expresiones regulares
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Curso de Javascript</title>
</head>
<body>
<script src="scripts.js"></script>
</body>
</html>
Raw
scripts.js
/* Expresiones regulares */
// var expReg = new RegExp( 'a' );
// var expReg = /e/;
// var expReg = /e/i; // no case-sensitive
// var expReg = /^está/i; // busca en el inicio
// var expReg = /^esto/i;
// var expReg = /mucho\.$/i; // busca en el final
// var expReg = /..$/; // el punto busca cualquier caracter
// var expReg = /ll./;
// var expReg = /[0-9]/;
// var expReg = /\d/;
// var expReg = /[3456]/;
// var expReg = /[a-z]/i;
// var expReg = /[a-zA-Z0-9]/;
// var expReg = /[aeiouáéíóú]/;
// var expReg = /ll[aeiouáéíóú]/i;
// var expReg = /\s/;
// var expReg = /hoy/m;
// var expReg = /o/ig;
// var expReg = /o+/ig;
// var expReg = /o{2}/ig;
// var expReg = /o{3,}/ig;
var expReg = /\d{1,}/g;
// var cadena = 'Está llooviendoooo hoy mucho.';
var cadena = '<div id="1313132">Elemento 123123123</div>2414124';
console.log( cadena );
console.log(cadena.match( expReg ));
console.log(expReg.exec( cadena ));
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