Tutorials under 'Regex'

Case Conversion and Character Manipulation in Java – Safe, Efficient, and Unicode-Aware

Learn how to convert cases and manipulate characters in Java Strings. Covers Unicode, performance tips, and best practices with code examples

Extracting and Replacing Substrings in Java – Complete Guide with Examples

Learn how to extract and replace substrings in Java using `substring()`, `replace()`, and `replaceAll()`. Covers regex, edge cases, and best practices.

Using Scanner and Regex to Parse String Input in Java – Robust, Flexible, and Efficient Techniques

Learn how to use Scanner and Regex in Java to parse string input efficiently. Covers tokens, delimiters, capture groups, edge cases, and best practices.