expresiones regulares javascript
var text = "este es un texto de prueba";
var regEx = /este/gi;
console.log(regEx.test(text)) // trueexpresiones regulares javascript
var text = "este es un texto de prueba";
var regEx = /este/gi;
console.log(regEx.test(text)) // truepass variable to regrex literal notation javascript
// If you want to get ALL occurrences (g), be case insensitive (i), and use boundaries so that it isn't a word within another word (\\b):
re = new RegExp(`\\b${replaceThis}\\b`, 'gi');
// example:
let inputString = "I'm John, or johnny, but I prefer john.";
let replaceThis = "John";
let re = new RegExp(`\\b${replaceThis}\\b`, 'gi');
console.log(inputString.replace(re, "Jack")); // I'm Jack, or johnny, but I prefer Jack.regular expression javascript
// Tests website Regular Expression against document.location (current page url)
if (/^https\:\/\/example\.com\/$/.exec(document.location)){
console.log("Look mam, I can regex!");
}Copyright © 2021 Codeinu
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