Struct StringExpr 

pub struct StringExpr { /* private fields */ }

Expression AST and supporting enums. Builder for str.* expression functions.

Implementations

impl StringExpr

pub fn to_lowercase(self) -> Expr

Convert UTF-8 strings to lowercase.

pub fn to_uppercase(self) -> Expr

Convert UTF-8 strings to uppercase.

pub fn contains(self, pattern: impl Into<String>) -> Expr

Return whether each string matches a regex pattern.

pub fn replace( self, pattern: impl Into<String>, replacement: impl Into<String>, ) -> Expr

Replace regex matches.

pub fn strip_chars(self, chars: Option<impl Into<String>>) -> Expr

Strip whitespace from both ends.

pub fn split(self, separator: impl Into<String>) -> Expr

Split by a literal separator.

pub fn len_chars(self) -> Expr

Count Unicode scalar values.

pub fn extract(self, pattern: impl Into<String>, capture_group: usize) -> Expr

Extract a regex capture group.

Trait Implementations

impl Clone for StringExpr

fn clone(&self) -> StringExpr

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StringExpr

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for StringExpr

fn eq(&self, other: &StringExpr) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for StringExpr