Page Comparison

let getUrl = values["Competitor Exact URL"]

function ExtractASIN(url){
    var ASINreg = new RegExp(/(?:\/)([A-Z0-9]{10})(?:$|\/|\?)/)
    var  cMatch = url.match(ASINreg)
    if(cMatch == null){
        return null
    }
    return cMatch[1]
}

function ExtractCID(urls){
    var CustomCID = new RegExp(/customId=([A-Za-z0-9]+)/)
    var  cMatch1 = (urls).match(CustomCID)
    if(cMatch1 == null){
        return null
    }
    return cMatch1[1]
}
function ExtractKeywords(url) {
  const regex = /keywords=([^&]+)/;
  const match = url.match(regex);
  const keywords = match ? decodeURIComponent(match[1].replace(/\+/g, ' ')) : null;
  return keywords.replace(/\+/g, ' ');;
}
this.changeFormValue("Comp_ASIN", ExtractASIN(getUrl))
if (ExtractCID(getUrl)== null){
 this.changeFormValue("CustomID", "Not available")
 }
 else{
this.changeFormValue("CustomID", ExtractCID(getUrl))
}
if (ExtractKeywords(getUrl)== null){
 this.changeFormValue("Source_Of_Search", "Not available")
}
else {
this.changeFormValue("Source_Of_Search", ExtractKeywords(getUrl))
}