JavaScript: Clone a given regular expression

JavaScript fundamental (ES6 Syntax): Exercise-63 with Solution

Write a JavaScript program to clone a given regular expression.

  • Use new RegExp(), RegExp.prototype.source and RegExp.prototype.flags to clone the given regular expression.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
const cloneRegExp = regExp => new RegExp(regExp.source, regExp.flags);
const regExp = /lorem ipsum/gi;
const regExp2 = cloneRegExp(regExp);

Sample Output:



flowchart: Clone a given regular expression

Live Demo:

See the Pen javascript-basic-exercise-63-1 by w3resource (@w3resource) on CodePen.

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