Java Regex: Using Quantifier {3} for Exact Repetition | Java Regular Expressions | Regex in java

In this Java programming tutorial, explore how to effectively use the `{3}` quantifier in regular expressions (Regex) to specify exact repetition of the character or pattern 'a'. Quantifiers in Regex allow you to define how many times a character or group should appear, offering precise control over pattern matching in Java applications.

**Key Points Covered:**
- Introduction to regular expressions (Regex) and the role of quantifiers.
- Explanation of the `{3}` quantifier in Java Regex:
- Matches exactly three occurrences of the preceding character or group ('a' in this case).
- Using `{3}` to enforce strict repetition rules in pattern matching.
- Step-by-step guide on using `{3}` in Java Regex:
- Constructing Regex patterns with `{3}` to match 'aaa' sequences.
- Examples demonstrating how to validate specific formats like phone numbers or identification codes.
- Handling edge cases and considerations when using `{3}` quantifiers.
- Practical demonstrations and code examples illustrating `{3}` quantifier usage in Java Regex.
- Benefits and best practices for leveraging `{3}` quantifiers in Java applications for precise text validation and extraction.

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How to use Quantifiers a{3} | Java Regex | Java Regular Expressions | Regex in java

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