javascript remove new line and space code example

Example 1: javascript remove all newlines

// regex global match for all variants of newlines
/\r?\n|\r/g

// example
let foo = 'bar\nbar';
foo = foo.replace(/\r?\n|\r/g, " "); /* replace all newlines with a space */
console.log(foo); /* bar bar */

Example 2: Remove line breaks with JavaScript

String.replace(/(\r\n|\n|\r)/gm," ")

Example 3: javascript remove final newline from string

// Remove the trailing newline(s) from a string
str.replace(/\n*$/, "");

Example 4: remove spaces and line breaks javascript

const originalString = `
  <div>
    <p>Hey that's <span>somthing</span></p>
  </div>
`;

const strippedString = originalString.replace(/(<([^>]+)>)/gi, "");

console.log(strippedString);