Extractors

Customize some extractors to extract information from text.

base64 extractor

Support extract base64 image. See linked PR

bg-[url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTQiIGhlaWdodD0iMTIiIHZpZXdCb3g9IjAgMCAxNCAxMiIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiBmaWxsPSIjMzhiZGY4Ij48cGF0aCBmaWxsLXJ1bGU9ImV2ZW5vZGQiIGQ9Ik0xMy42ODUuMTUzYS43NTIuNzUyIDAgMCAxIC4xNDMgMS4wNTJsLTggMTAuNWEuNzUuNzUgMCAwIDEtMS4xMjcuMDc1bC00LjUtNC41YS43NS43NSAwIDAgMSAxLjA2LTEuMDZsMy44OTQgMy44OTMgNy40OC05LjgxN2EuNzUuNzUgMCAwIDEgMS4wNS0uMTQzWiIgLz48L3N2Zz4=)] will be extracted correctly.