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string replace using regex 본문

functions and trick/typescript_javascript

string replace using regex

taesikk 2022. 1. 26. 10:35 
function pigIt(str){
  return str.replace(/(\w)(\w*)(\s|$)/g, "\$2\$1ay\$3")
}
function pigIt(str) {
  return str.replace(/\w+/g, (w) => {
    return w.slice(1) + w[0] + 'ay';
  });
}

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace

 

String.prototype.replace() - JavaScript | MDN

The replace() method returns a new string with some or all matches of a pattern replaced by a replacement. The pattern can be a string or a RegExp, and the replacement can be a string or a function to be called for each match. If pattern is a string, onl

developer.mozilla.org

 

$ can be used in replacer function on .replace() 

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