Rename column containing substring – Pandas

I need to rename columns in containing specific substring. In my case I am using data with columns that are named a specific date dd/mm/yyyy. I want to rename the column based on the yyyy of the …

Regex within Pandas DataFrame – finding minimum length between characters

Edit: Updated for reproducibility I am currently working within a Pandas DataFrame, with a list of strings held within each row of a column [Column A]. I am trying to extract the minimum distance …