currency_replacer.js

currency_replacer.js

const json = [
  {
    "price":"1NCH 23,33"
  },
  {
    "price":"# 3443,01"
  },
  {
    "price":"109,10000 kr"
  },
  {
    "price":"Q 232,3#"
  },
  {
    "price":"@something66,98#"
  },
  {
    "price": "100"
  }
]

for(let i=0; i<json.length; i++){
  const price = json[i].price;
  let left_pointer = -1;
  let right_pointer = -1;
  for(let k=0; k<price.length; k++){
    const c = price[k];
    if(c == ",")
        continue;
    const is_number = isNaN(c) == false;
    if(is_number == false){
      if(left_pointer == right_pointer)
        left_pointer = -1;
      continue;
    }
    if(is_number){
      if(left_pointer == -1)
        left_pointer = k;
      right_pointer = k;
    }
  }
  const flag_result = price.substring(left_pointer, right_pointer+1);
  let num_part = flag_result.replace(",",".");
  num_part = parseFloat(num_part) * 2;
  json[i].price = price.replace(flag_result.replace(/\s/g,""), num_part);
}

console.log(json);

/*
Sample Output:
[
  { price: '1NCH 46.66' },
  { price: '# 6886.02' },
  { price: '218.2 kr' },
  { price: 'Q 464.6#' },
  { price: '@something133.96#' },
  { price: '200' }
]
*/