polars.internals.series.StringNameSpace.zfill¶
- StringNameSpace.zfill(alignment: int) polars.internals.series.Series¶
Return a copy of the string left filled with ASCII ‘0’ digits to make a string of length width. A leading sign prefix (‘+’/’-‘) is handled by inserting the padding after the sign character rather than before. The original string is returned if width is less than or equal to len(s).
- Parameters
- alignment
Fill the value up to this length