verticapy.vDataColumn.str_extract#

vDataColumn.str_extract(pat: str) → vDataFrame#

Extracts the regular expression in each record of the vDataColumn. The vDataColumn will be transformed.

Parameters#

pat: str: regular expression.

Returns#

vDataFrame: self._parent

Examples#

Let’s begin by importing VerticaPy.

import verticapy as vp

Let’s generate a small dataset using the following data:

data = vp.vDataFrame(
    {
        "name": [
            'Mr. Steve Smith',
            'Mr. Charlie Dickens',
            'Mrs. Helen Ross',
            'Dr. Jack Smith',
        ]
    }
)

Let’s extract the name prefix.

data["name"].str_extract(pat = "([A-Za-z])+\.")

	Abc name Varchar(19) 100%
1	Mr.
2	Mr.
3	Mrs.
4	Dr.

See also

vDataFrame.str_contains() : Validates the regular expression.
vDataFrame.str_count() : Counts occurrences matching the regular expression.
vDataFrame.str_replace() : Replaces the Regular Expression.
vDataFrame.str_slice() : Slices the Regular Expression.