This crate provides a Rust implementation of VerbalExpressions in order to build regex
strings without knowing the minutiae of regex syntax.
It uses the regex crate to compile the created regex strings.
Versions are numbered according to semver.
Add this to your Cargo.toml:
toml
[dependencies]
verex = "0.2"
and this to your crate root:
rust
extern crate verex;
A simple example to show the usage: ```rust extern crate verex; use verex::Verex; use verex::find;
fn main() { // You can either use a mutable Verex to define different regexes let mut verex = Verex::new(); let regex1 = verex.find("a") .compile() .unwrap(); let regex2 = verex.orfind("b") .compile() .unwrap(); // Or just use it for building one (you can use the functions directly as constructors) let regex3 = find("a") // or: Verex::new().find("a") .orfind("b") .compile() .unwrap();
// Test whether the regexes match correctly
assert!(!regex1.is_match("b"));
assert!(regex2.is_match("b"));
assert!(regex3.is_match("b"));
} ```
Here's a URL testing example shamelessly stolen from the python Verex readme: ```rust extern crate verex; use verex::startofline;
fn main() { // Create an example of how to test for correctly formed URLs let verex = startofline() .find("http") .maybe("s") .find("://") .maybe("www.") .anythingbut(" ") .endofline(); let regex = verex.compile().unwrap(); // Create an example URL let testurl = r"https://www.google.com"; // Test if the URL is valid assert!(regex.ismatch(testurl)); // Test the generated regex string assert_eq!(verex.source(), r"(?:^(?:http)(?:s)?(?:://)(?:www.)?(?:[^ ]*)$)"); } ```