Using CSOM, get image url from PublishingRollupImage field

Question

I have use var url=oListItem["PublishingRollupImage"];

but it contain Img tag & I want only Image url.

I also use below code but it is not available in CSOM:

 ImageFieldValue imageUrl = oListItem["PublishingRollupImage"] as ImageFieldValue;
                if (imageUrl != null)
                {
                    item.imageUrl = imageUrl.ImageUrl;
                    item.imageWidth = imageUrl.Width.ToString();
                    item.imageHeight = imageUrl.Height.ToString();
                }

Answer 1

PublishingRollupImage gives string value containing <img .../> tag.

So, as Robert mentioned in comments, you need to use Regex to extract the src value from the string.

You can use the sample code to extract the src value from the field.It will give the server relative url of the image.

ListItem targetListItem = list.GetItemById(8);                

context.Load(targetListItem, item => item["PublishingRollupImage"]);
context.ExecuteQuery();

//gives value containing img tag
var imageField = Convert.ToString(targetListItem["PublishingRollupImage"]);

//Regex to extract the src value from the img tag
string imageUrl = Regex.Match(imageField, "<img.+?src=[\"'](.+?)[\"'].*?>", RegexOptions.IgnoreCase).Groups[1].Value;

Below is the end result I got in a sample console application.

Regex reference - Regular Expression to get the SRC of images in C#

You need to add System.Text.RegularExpressions dll to your code to use regex.