Method: Polars::StringExpr#strip_chars

Defined in:
lib/polars/string_expr.rb

#strip_chars(characters = nil) ⇒ Expr Also known as: strip

Remove leading and trailing whitespace.

Examples:

df = Polars::DataFrame.new({"foo" => [" lead", "trail ", " both "]})
df.select(Polars.col("foo").str.strip)
# =>
# shape: (3, 1)
# ┌───────┐
# │ foo   │
# │ ---   │
# │ str   │
# ╞═══════╡
# │ lead  │
# │ trail │
# │ both  │
# └───────┘

Parameters:

  • characters (String, nil) (defaults to: nil) —

    An optional single character that should be trimmed.

Returns:

[View source]

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# File 'lib/polars/string_expr.rb', line 448

def strip_chars(characters = nil)
  characters = Utils.parse_into_expression(characters, str_as_lit: true)
  Utils.wrap_expr(_rbexpr.str_strip_chars(characters))
end