polars.Expr.str.escape_regex

Expr.str.escape_regex() → Expr

Returns string values with all regular expression meta characters escaped.

Examples

>>> df = pl.DataFrame({"text": ["abc", "def", None, "abc(\\w+)"]})
>>> df.with_columns(pl.col("text").str.escape_regex().alias("escaped"))
 shape: (4, 2)
┌──────────┬──────────────┐
│ text     ┆ escaped      │
│ ---      ┆ ---          │
│ str      ┆ str          │
╞══════════╪══════════════╡
│ abc      ┆ abc          │
│ def      ┆ def          │
│ null     ┆ null         │
│ abc(\w+) ┆ abc\(\\w\+\) │
└──────────┴──────────────┘