How do I use regex in Java?
An example of an AI chatbot conversation about using regex in Java programming.
How do I use regex in Java?
You can use the java.util.regex package. It provides classes like Pattern and Matcher for regex operations.
Can you give me an example of matching a phone number?
Sure! You can use the pattern \d{3}-\d{3}-\d{4} to match a phone number format like 123-456-7890.
What if I want to validate an email address?
For email validation, you can use the pattern ^[\w-\.]+@[\w-]+\.[a-z]{2,4}$.
Are there any online tools to test regex?
Yes, websites like regex101.com and regexr.com allow you to test and debug your regex patterns interactively.
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