remove first part of string javascript code example

Example 1: remove first and last character from string javascript

// Hey buddy, here are different implementation, choose your favourite !!

// best implementation
const removeChar = (str) => str.slice(1, -1);

// regex
function removeChar(str) {
  return str.replace(/^.|.$/g, "");
}

// without slice
function removeChar(str) {
  const array = str.split("");
  let res = "";
  for (let i = 1; i < array.length - 1; i++) res += array[i];
  return res;
}

Example 2: javascript remove first character from string

let str = " hello";
str = str.substring(1);

Example 3: javascript remove first character from string

var newStr = str.substring(1);

Example 4: javascript remove characters from beginning of string

// this will replace the first occurrence of "www." and return "testwww.com"
"www.testwww.com".replace("www.", "");

// this will slice the first four characters and return "testwww.com"
"www.testwww.com".slice(4);

// this will replace the www. only if it is at the beginning
"www.testwww.com".replace(/^(www\.)/,"");

Example 5: javascript remove first character from string

let str = 'ss';

str = new RegExp('^.(.*)').exec(str)[1]; // "s"