Regexp in python: extract email addresses
An example of using regular expressions in python to extract the email addresses from a text file.
#!/usr/bin/env python """ Description: extract email addresses from stdin to stdout Usage example: cat whatever.txt | extract-email.py | sort -fu > addr.txt """ import re, sys email_pattern = re.compile('([\w\-\.]+@(\w[\w\-]+\.)+[\w\-]+)') for line in sys.stdin: # there are several matches per line for match in email_pattern.findall(line): print match[0]