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7
Basic regex operations
import re
text = "Email: user@example.com, Phone: 123-456-7890"
# Find all matches
emails = re.findall(r'[\w.-]+@[\w.-]+', text)
# Search for pattern
match = re.search(r'\d{3}-\d{3}-\d{4}', text)
if match:
phone = match.group()
# Replace
new_text = re.sub(r'\d+', 'XXX', text)Compiled patterns
# Compile for reuse
email_pattern = re.compile(r'[\w.-]+@[\w.-]+')
matches = email_pattern.findall(text)
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