String

The following methods are available under the expr.str attribute.

Expr.str.concat([delimiter])	Vertically concat the values in the Series to a single string value.
Expr.str.contains(pattern[, literal, strict])	Check if string contains a substring that matches a regex.
Expr.str.count_match(pattern)	Count all successive non-overlapping regex matches.
Expr.str.decode(encoding, *[, strict])	Decode a value using the provided encoding.
Expr.str.encode(encoding)	Encode a value using the provided encoding.
Expr.str.ends_with(sub)	Check if string values end with a substring.
Expr.str.explode()	Returns a column with a separate row for every string character.
Expr.str.extract(pattern[, group_index])	Extract the target capture group from provided patterns.
Expr.str.extract_all(pattern)	Extracts all matches for the given regex pattern.
Expr.str.json_extract([dtype])	Parse string values as JSON.
Expr.str.json_path_match(json_path)	Extract the first match of json string with provided JSONPath expression.
Expr.str.lengths()	Get length of the strings as UInt32 (as number of bytes).
Expr.str.ljust(width[, fillchar])	Return the string left justified in a string of length width.
Expr.str.lstrip([matches])	Remove leading characters.
Expr.str.n_chars()	Get length of the strings as UInt32 (as number of chars).
Expr.str.replace(pattern, value[, literal, n])	Replace first matching regex/literal substring with a new string value.
Expr.str.replace_all(pattern, value[, literal])	Replace all matching regex/literal substrings with a new string value.
Expr.str.rjust(width[, fillchar])	Return the string right justified in a string of length width.
Expr.str.rstrip([matches])	Remove trailing characters.
Expr.str.slice(offset[, length])	Create subslices of the string values of a Utf8 Series.
Expr.str.split(by[, inclusive])	Split the string by a substring.
Expr.str.split_exact(by, n[, inclusive])	Split the string by a substring using n splits.
Expr.str.splitn(by, n)	Split the string by a substring, restricted to returning at most n items.
Expr.str.starts_with(sub)	Check if string values start with a substring.
Expr.str.strip([matches])	Remove leading and trailing characters.
Expr.str.strptime(datatype[, fmt, strict, ...])	Parse a Utf8 expression to a Date/Datetime/Time type.
Expr.str.to_lowercase()	Transform to lowercase variant.
Expr.str.to_uppercase()	Transform to uppercase variant.
Expr.str.zfill(alignment)	Fills the string with zeroes.
Expr.str.parse_int([radix, strict])	Parse integers with base radix from strings.