Web Reference: Day 19 Regrex Java practice problem. Contribute to Akhil-Choudhari/Java_Day-19_Regex_Program development by creating an account on GitHub. I have validated the regex where the user cannot enter a day higher than 12 and the years have to start with either "19" or "20". What I am having trouble is figuring out some logic for validating the day. A regex, or regular expression, is a pattern represented by a sequence of characters. They’re used in search engines, word processors, text editors, and many other places due to their general use cases and base functionality.
YouTube Excerpt: In this challenge, you need to write a
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