python pandas remove non numeric characters from multiple columns

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Valeria
29 Jun 2017
1# Convert multiple columns to float when they contain non-numeric characters e.g. "R 5 000.00" -> 5000.00
2df[['A','B','C','D']] = df[['A','B','C','D']].replace(regex=[r'\D+'], value="").astype(float)
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