df and regex, NaN and df.concat

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df and regex, NaN and df.concat

buran

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Jan-22-2018, 04:37 PM

(Jan-10-2018, 09:29 AM)metalray Wrote: I started using named groups straight away.

(Jan-22-2018, 03:12 PM)metalray Wrote: I only get the error "pattern contains no capture groups"

the pattern r'199\d{1}|20\d{2}|\d{2}(?![/,\-\w ])' has no capture groups
try with (?P<year>19\d{2}|20\d{2}|\d{2}(?![/,\-\w ]))

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RE: df and regex, NaN and df.concat - by buran - Jan-22-2018, 04:37 PM

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