Regular Expressions 101

.*any character (except for line terminators), repeated any number of times

image_crop_resized=the literal text image_crop_resized= (case sensitive)

Group 1(.*)

.*any character (except for line terminators), repeated any number of times

&video_still_timethe literal text &video_still_time (case sensitive)

Group 2(.*)

.*any character (except for line terminators), repeated any number of times

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

.*image_crop_resized=(.*)&video_still_time(.*)

https://embed-ssl.wistia.com/deliveries/c0238be7cc8c8f0bd8ecb6edf3c6f8f1.jpg?image_crop_resized=250x250&video_still_time=33