问题遇到的现象和发生背景
我想获取这串json字符串中所有视频url .mp4结尾的
但是它把所有url都返回出来了
问题相关代码，请勿粘贴截图
运行结果及报错内容
import re
class test():
pass
url = '"url":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=528&height=528&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=1056&height=1056&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=792&height=792&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt264f911195f6cdef.sizes.tablet":{"url":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=640&height=640&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=1280&height=1280&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt264f911195f6cdef/42125_alt11.jpg?fit=bounds&format=jpg&quality=80&width=960&height=960&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt5d1d4aeff01fcb63.sizes.desktop":{"url":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=800&height=800&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=1600&height=1600&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=1200&height=1200&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt5d1d4aeff01fcb63.sizes":{"desktop":{"type":"id","generated":true,"id":"$ProductImage:blt5d1d4aeff01fcb63.sizes.desktop","typename":"ProductImageUrls"},"mobile":{"type":"id","generated":true,"id":"$ProductImage:blt5d1d4aeff01fcb63.sizes.mobile","typename":"ProductImageUrls"},"tablet":{"type":"id","generated":true,"id":"$ProductImage:blt5d1d4aeff01fcb63.sizes.tablet","typename":"ProductImageUrls"},"__typename":"ProductImageSizes"},"$ProductImage:blt5d1d4aeff01fcb63.sizes.mobile":{"url":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=528&height=528&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=1056&height=1056&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=792&height=792&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt5d1d4aeff01fcb63.sizes.tablet":{"url":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=640&height=640&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=1280&height=1280&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt5d1d4aeff01fcb63/42125_alt12.jpg?fit=bounds&format=jpg&quality=80&width=960&height=960&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt3126f56afab0d3f5.sizes.desktop":{"url":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=800&height=800&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=1600&height=1600&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=1200&height=1200&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt3126f56afab0d3f5.sizes":{"desktop":{"type":"id","generated":true,"id":"$ProductImage:blt3126f56afab0d3f5.sizes.desktop","typename":"ProductImageUrls"},"mobile":{"type":"id","generated":true,"id":"$ProductImage:blt3126f56afab0d3f5.sizes.mobile","typename":"ProductImageUrls"},"tablet":{"type":"id","generated":true,"id":"$ProductImage:blt3126f56afab0d3f5.sizes.tablet","typename":"ProductImageUrls"},"__typename":"ProductImageSizes"},"$ProductImage:blt3126f56afab0d3f5.sizes.mobile":{"url":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=528&height=528&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=1056&height=1056&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=792&height=792&dpr=1","__typename":"ProductImageUrls"},"$ProductImage:blt3126f56afab0d3f5.sizes.tablet":{"url":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=640&height=640&dpr=1","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","highResUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=1280&height=1280&dpr=1","fullscreenUrl":"https://www.lego.com/cdn/cs/set/assets/blt3126f56afab0d3f5/42125_alt13.jpg?fit=bounds&format=jpg&quality=80&width=960&height=960&dpr=1","__typename":"ProductImageUrls"},"$ProductVideo:blt5107c5bf3552475f.video":{"url":"https://www.lego.com/cdn/cs/set/assets/blt5107c5bf3552475f/42125_v2.mp4","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/bltb967a5b31d73b491/42125_v2_thumbnail.png?fit=bounds&format=png&width=65&height=45&dpr=1","__typename":"ProductVideoFormat"},"$ProductVideo:bltf0cfb8ca17ee084d.video":{"url":"https://www.lego.com/cdn/cs/set/assets/bltf0cfb8ca17ee084d/42125_v3.mp4","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt3d70ca70084f16a6/42125_v3_thumbnail.png?fit=bounds&format=png&width=65&height=45&dpr=1","__typename":"ProductVideoFormat"},"$ProductVideo:blt8058851cc07026e6.video":{"url":"https://www.lego.com/cdn/cs/set/assets/blt8058851cc07026e6/42125_v1.mp4","thumbnailUrl":"https://www.lego.com/cdn/cs/set/assets/blt1e200c3f36b64a04/42125_v1_thumbnail.jpg?fit=bounds&format=jpg&quality=80&width=65&height=45&dpr=1","__typename":"ProductVideoFormat"'
print(re.findall('"url":"https://www.lego.com/cdn/cs/set/assets.*?mp4"',url))
我的解答思路和尝试过的方法
我尝试用加上不包含jpg的正则语句但是没什么效果，希望高人指点
