regex101: PCRE (Legacy) Match Workspace

Regular Expression

(?<=var modelCode = ")(.+)(?=";)

New

var pageTrackName = digitalData.page.pageInfo.pageTrack;
if(pageTrackName == "product detail" || pageTrackName == "generic product details"){ 
   var modelCode = "GT-P5100TSABTU";
   var displayName = "Galaxy Tab 2 (10.1, 3G)".replace(/(<([^>]+)>)/gi, "");
   digitalData.product.model_code = modelCode;
   digitalData.product.displayName = displayName;
   pageName += ":" + modelCode;
}

Extraction

var pageTrackName = digitalData.page.pageInfo.pageTrack;
if(pageTrackName == "product detail" || pageTrackName == "generic product details"){ 
   var modelCode = "GT-P5100TSABTU";
   var displayName = "Galaxy Tab 2 (10.1, 3G)".replace(/(<([^>]+)>)/gi, "");
   digitalData.product.model_code = modelCode;
   digitalData.product.displayName = displayName;
   pageName += ":" + modelCode;
}