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re.sub is only replacing max. of 2 string found by regexp. #79724
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Below are the logs: >>> dat = '"10GE" "4x" "AMPC" "B3" "BUILTIN" "DOWN" "LU" "SFP+" "ether" "xe" "DOWN" "MPC" "BUILTIN"'
>>> type = re.subn(r'\"BUILTIN\"|\"B\d\"|\"I\d\"|\"LU\"|\"Trinity\"|\"Trio\"|\"DOWN\"|\"UNKNOWN\"|'
... r'^AND$|\"Q\"|\"MPC\"|\"EA\d\"|\"3D\"', '', dat, re.I)
>>> type
('"10GE" "4x" "AMPC" "DOWN" "LU" "SFP+" "ether" "xe" "DOWN" "MPC" "BUILTIN"', 2)
>>> dat = '"10GE" "4x" "AMPC" "DOWN" "LU" "SFP+" "ether" "xe" "DOWN" "MPC" "BUILTIN"'
>>> type = re.subn(r'\"BUILTIN\"|\"B\d\"|\"I\d\"|\"LU\"|\"Trinity\"|\"Trio\"|\"DOWN\"|\"UNKNOWN\"|'
... r'^AND$|\"Q\"|\"MPC\"|\"EA\d\"|\"3D\"', '', dat, re.I)
>>> type
('"10GE" "4x" "AMPC" "SFP+" "ether" "xe" "DOWN" "MPC" "BUILTIN"', 2)
>>> dat = '"10GE" "4x" "AMPC" "SFP+" "ether" "xe" "DOWN" "MPC" "BUILTIN"'
>>> type = re.subn(r'\"BUILTIN\"|\"B\d\"|\"I\d\"|\"LU\"|\"Trinity\"|\"Trio\"|\"DOWN\"|\"UNKNOWN\"|'
... r'^AND$|\"Q\"|\"MPC\"|\"EA\d\"|\"3D\"', '', dat, re.I)
>>> type
('"10GE" "4x" "AMPC" "SFP+" "ether" "xe" "BUILTIN"', 2)
>>> dat = '"10GE" "4x" "AMPC" "SFP+" "ether" "xe" "BUILTIN"'
>>> type = re.subn(r'\"BUILTIN\"|\"B\d\"|\"I\d\"|\"LU\"|\"Trinity\"|\"Trio\"|\"DOWN\"|\"UNKNOWN\"|'
... r'^AND$|\"Q\"|\"MPC\"|\"EA\d\"|\"3D\"', '', dat, re.I)
>>> type
('"10GE" "4x" "AMPC" "SFP+" "ether" "xe" ', 1)
>>> |
saga
mannequin
added
stdlib
Python modules in the Lib dir
type-bug
An unexpected behavior, bug, or error
labels
Dec 20, 2018
The third argument of re.sub() is the maximal number of replacements. re.I == 2. sub(pattern, repl, string, count=0, flags=0)
Return the string obtained by replacing the leftmost
non-overlapping occurrences of the pattern in string by the
replacement repl. repl can be either a string or a callable;
if a string, backslash escapes in it are processed. If it is
a callable, it's passed the Match object and must return
a replacement string to be used. |
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