Regex Tester for Python
Free online regex tester with Python code examples
Working with regex tester in Python? Our free online regex tester helps Python developers format, validate, and process data instantly. Below you will find Python code examples using re (built-in) so you can achieve the same result programmatically in your own projects.
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Open Regex TesterPython Code Example
import re
text = "Contact us at support@example.com or sales@example.com"
pattern = r'[\w.+-]+@[\w-]+\.[\w.]+'
matches = re.findall(pattern, text)
print(matches) # ['support@example.com', 'sales@example.com']Quick Setup
Library: re (built-in)
# Built-in module — no installation neededPython Tips & Best Practices
- Use raw strings r'...' to avoid double-escaping backslashes
- re.compile() pre-compiles patterns for repeated use
- Use re.VERBOSE flag for readable multi-line patterns