Regex101

Input the email address validation regex pattern (e.g., `^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$`).

Enter a sample email address in the test string field.

Verify that the regex matches valid email formats and rejects invalid ones.

Generate code snippet for email validation in your preferred language (e.g., Python).

Input the phone number extraction regex pattern (e.g., `\d{3}-\d{3}-\d{4}`).

Enter the text containing phone numbers in the test string field.

Verify that the regex accurately identifies and extracts phone numbers.

Use the match information to access the extracted phone numbers.

Input the regex pattern to match specific log entries (e.g., `ERROR:\s(.*)`).

Enter a sample log entry in the test string field.

Verify that the regex captures the relevant information from the log entry.

Generate code to automatically parse log files and extract error messages.

Input the regex pattern for password validation (e.g., `^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[a-zA-Z]).{8,}$`).

Enter a sample password in the test string field.

Verify that the regex ensures the password meets the complexity requirements (e.g., at least 8 characters, one uppercase letter, one lowercase letter, and one number).

Generate code for password validation in your application.

Input the URL extraction regex pattern (e.g., `(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s]{2,}|www\.[a-zA-Z0-9]+\.[^\s]{2,})`).

Enter the text containing URLs in the test string field.

Verify that the regex accurately identifies and extracts all URLs.

Use the match information to access the extracted URLs.