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| Language | Python |
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| Owner | w3xue |
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| Visibility | Public |
#!/usr/bin/python
import re
# 将匹配的数字乘于 2
def double(matched):
value = int(matched.group('value'))
return str(value * 2)
s = 'A23G4HFD567'
print(re.sub('(?P<value>\d+)', double, s))
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