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jacklong
V2EX  ›  Python

r'(?u)[^a-zA-Z\W\d_]'

  •  
  •   jacklong ·
    jack-long · Feb 2, 2015 · 3409 views
    This topic created in 4113 days ago, the information mentioned may be changed or developed.
    # -*-coding: utf-8-*-

    import re
    import codecs

    # To match Unicode Characters.
    pattern = re.compile(r'[^a-zA-Z\W\d_]+',re.UNICODE)

    with codecs.open('file', 'r', 'utf8') as f:
    for line in f:
    match = pattern.search(line)
    # Yeah, it only matches the first group.
    if match:
    print match.group()
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