elle-regex

A regex plugin for Elle, wrapping the Rust regex crate.

Building

Built as part of the workspace:

cargo build --workspace

Produces target/debug/libelle_regex.so (or target/release/libelle_regex.so).

Usage

(import-file "path/to/libelle_regex.so")

(def re (regex/compile "\\d+"))
(regex/match? re "abc123")       ;; => true
(regex/find re "abc123def")      ;; => {:match "123" :start 3 :end 6}
(regex/find-all re "a1b2c3")     ;; => ({:match "1" ...} {:match "2" ...} {:match "3" ...})

(def date-re (regex/compile "(?P<year>\\d{4})-(?P<month>\\d{2})-(?P<day>\\d{2})"))
(regex/captures date-re "2024-01-15")
;; => {:0 "2024-01-15" :1 "2024" :2 "01" :3 "15" :year "2024" :month "01" :day "15"}

Primitives

Name	Args	Returns
regex/compile	pattern	compiled regex
regex/match?	regex, text	boolean
regex/find	regex, text	{:match :start :end} or nil
regex/find-all	regex, text	list of match structs
regex/captures	regex, text	struct with numbered/named groups, or nil
regex/captures-all	regex, text	list of capture structs for all matches
regex/replace	regex, text, replacement	string with first match replaced
regex/replace-all	regex, text, replacement	string with all matches replaced
regex/split	regex, text	list of strings split by pattern