Method: Polars::StringExpr#strip_suffix

Defined in:
lib/polars/string_expr.rb

#strip_suffix(suffix) ⇒ Expr

Remove suffix.

The suffix will be removed from the string exactly once, if found.

Examples:

df = Polars::DataFrame.new({"a" => ["foobar", "foobarbar", "foo", "bar"]})
df.with_columns(Polars.col("a").str.strip_suffix("bar").alias("stripped"))
# =>
# shape: (4, 2)
# ┌───────────┬──────────┐
# │ a         ┆ stripped │
# │ ---       ┆ ---      │
# │ str       ┆ str      │
# ╞═══════════╪══════════╡
# │ foobar    ┆ foo      │
# │ foobarbar ┆ foobar   │
# │ foo       ┆ foo      │
# │ bar       ┆          │
# └───────────┴──────────┘

Parameters:

  • suffix (String) —

    The suffix to be removed.

Returns:



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# File 'lib/polars/string_expr.rb', line 653

def strip_suffix(suffix)
  suffix = Utils.parse_into_expression(suffix, str_as_lit: true)
  Utils.wrap_expr(_rbexpr.str_strip_suffix(suffix))
end