links
I am getting started with regex in Anki
standard anki doesn’t exist.
The only thing that can be standard about anki is compliance with standards such as:
- POSIX standards
- Perl standards
Anki implementation is replacement string syntax of Rust Crate
Some Examples
- front:re:^[^.].[^.]1$
- front:re:^\d{2}.1$
^ - start of the string [^ .]* - zero of more characters except literal . (maybe - although doesn’t look literal)
\ . - a literal dot
$ - is the end of the string
Rust Crate
In Rust, a “crate” is a package of Rust code. It can be a library or an
executable. Crates are the fundamental unit of code distribution in Rust,
similar to packages in other programming languages. They are used to share code with others and manage dependencies. Crates are published and shared via
crates.io, the Rust community’s package registry. Each crate has a Cargo.toml
file that specifies its metadata, dependencies, and other configuration details. Crates can be imported into other projects using the Cargo package manager,
which handles building and dependency resolution.
Rust Replacement String Syntax
In Rust, the replacement string syntax is used with the replace method to
substitute parts of a string. The basic syntax is:
let new_string = original_string.replace(“pattern”, “replacement”);
Here, original_string is the string you want to modify, “pattern” is the
substring you want to replace, and “replacement” is the string you want to use
as a replacement. This method returns a new String with all occurrences of the
pattern replaced by the replacement string. If you need more complex
replacements, consider using the regex crate for regular expression support.
rust regex crate
The Rust regex crate is a library for parsing, compiling, and executing regular expressions. It is designed to be fast and efficient, leveraging Rust’s safety
and performance features. The syntax used by the regex crate is similar to
Perl-style regular expressions, which are widely used and familiar to many
developers. However, it does not support some advanced features like look-around and backreferences, which are common in other regex engines. This limitation is intentional to ensure better performance and simplicity. Overall, the regex
crate provides a robust and efficient way to work with regular expressions in
Rust.
You can find detailed information on Rust’s regex syntax in the official regex
crate documentation. This documentation provides comprehensive details on the
syntax, usage, and examples of regular expressions in Rust. Additionally, the
Rust Book and the Rust by Example resources can offer insights and examples on
using regex in Rust programs.
In the Rust regex crate documentation, you can find details on the regex syntax in the Syntax section. This section provides a comprehensive overview of the
supported syntax, including literals, character classes, groups, quantifiers,
and more. Additionally, it often includes examples to illustrate how different
parts of the syntax can be used. You can access this documentation on docs.rs.
https://docs.rs/regex/latest/regex/#syntax
https://coderpad.io/blog/development/the-complete-guide-to-regular-expressions-regex/