C# RegEx string extraction

Question

I have a string:

\"ImageDimension=655x0;ThumbnailDimension=0x0\".

I have to extract first number (\"655\" string) coming in be

Answer 1

Sure, it's pretty easy. The regex pattern you're looking for is:

^ImageDimension=(\d+)x0;.+$

The first group in the match is the number you want.