Inefficient code detected in RegexRule.java

Our bug detection tool detected an inefficient logic in [RegexRule.java](https://github.com/CrawlScript/WebCollector/blob/master/src/main/java/cn/edu/hfut/dmic/webcollector/util/RegexRule.java).
The method `satisfy` could return earlier at line 124 instead of matching all the remaining positive patterns.