From 47d309aa6682c8a02a15bec70afb69910c95343c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jozef=20Steinh=C3=BCbl?= <xhyrom.hyro@gmail.com>
Date: Sun, 4 Aug 2024 21:13:03 +0200
Subject: [PATCH] feat: regex support

---
 Cargo.lock            |  39 ++++++
 assets/languages.json | 270 +++++++++++++++++++++---------------------
 lsp/Cargo.toml        |   1 +
 lsp/src/languages.rs  |  25 +++-
 4 files changed, 197 insertions(+), 138 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index c746bec..e573d5a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.86"
@@ -120,6 +129,7 @@ dependencies = [
  "discord-rich-presence",
  "git2",
  "lazy_static",
+ "regex",
  "serde_json",
  "tokio",
  "tower-lsp",
@@ -580,6 +590,35 @@ dependencies = [
  "bitflags 2.6.0",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
diff --git a/assets/languages.json b/assets/languages.json
index 63097dc..dc96071 100644
--- a/assets/languages.json
+++ b/assets/languages.json
@@ -2,18 +2,18 @@
   "nodemon.json": "nodemon",
   "package.json": "npm",
   "turbo.json": "turbo",
-  "/(vercel|now)\\.json/i": "vercel",
-  "/(?i)\\.prettier((rc)|(\\.(toml|yml|yaml|json|js))?\\$){2}/": "prettier",
-  "/\\.eslint((rc|ignore)|(\\.(json|js))?$){2}/i": "eslint",
-  "/\\.(now|vercel)ignore/i": "vercel",
-  "/\\prettier.config.js/i": "prettier",
-  "/vue.config\\.(js|ts)/i": "vueconfig",
-  "/vite.config\\.(js|ts)/i": "viteconfig",
-  "/vitest.config\\.(js|ts|mjs)/i": "vitestconfig",
-  "/jest.config\\.(js|ts)/i": "jest",
-  "/tailwind\\.config\\.(js|cjs|mjs|ts|cts|mts)/i": "tailwind",
-  "/gatsby-(browser|node|ssr|config)\\.js/i": "gatsbyjs",
-  "/webpack(\\.dev|\\.development|\\.prod|\\.production)?\\.config(\\.babel)?\\.(js|jsx|coffee|ts|json|json5|yaml|yml)/i": "webpack",
+  "regex:(vercel|now)\\.json": "vercel",
+  "regex:(?i)\\.prettier((rc)|(\\.(toml|yml|yaml|json|js))?)$": "prettier",
+  "regex:\\.eslint((rc|ignore)|(\\.(json|js))?)$": "eslint",
+  "regex:\\.(now|vercel)ignore$": "vercel",
+  "regex:prettier\\.config\\.js$": "prettier",
+  "regex:vue\\.config\\.(js|ts)$": "vueconfig",
+  "regex:vite\\.config\\.(js|ts)$": "viteconfig",
+  "regex:vitest\\.config\\.(js|ts|mjs)$": "vitestconfig",
+  "regex:jest\\.config\\.(js|ts)$": "jest",
+  "regex:tailwind\\.config\\.(js|cjs|mjs|ts|cts|mts)$": "tailwind",
+  "regex:gatsby-(browser|node|ssr|config)\\.js$": "gatsbyjs",
+  "regex:webpack(\\.dev|\\.development|\\.prod|\\.production)?\\.config(\\.babel)?\\.(js|jsx|coffee|ts|json|json5|yaml|yml)$": "webpack",
   "babel.config.js": "babel",
   ".ahk": "ahk",
   ".ahkl": "ahk",
@@ -21,10 +21,10 @@
   ".astro.config.mjs": "astroconfig",
   "androidmanifest.xml": "android",
   ".bp": "android",
-  "/^angular[^.]*\\.js$/i": "angular",
+  "regex:^angular[^.]*\\.js$": "angular",
   ".ng": "angular",
   ".applescript": "applescript",
-  "/(\\.)?appveyor\\.yml/i": "appveyor",
+  "regex:(\\.)?appveyor\\.yml$": "appveyor",
   ".ino": "arduino",
   ".swf": "as",
   ".as": "as",
@@ -37,32 +37,32 @@
   ".asmx": "asp",
   ".aspx": "asp",
   ".axd": "asp",
-  "/\\.(l?a|[ls]?o|out|s|a51|asm|axf|elf|prx|puff|z80)$/i": "assembly",
+  "regex:\\.(l?a|[ls]?o|out|s|a51|asm|axf|elf|prx|puff|z80)$": "assembly",
   ".agc": "assembly",
   ".ko": "assembly",
   ".kv": "kivy",
   ".ks": "kag-script",
   ".tjs": "kirikiri-tpv-javascript",
   ".lst": "assembly",
-  "/\\.((c([+px]{2}?)?-?)?objdump|bsdiff|bin|dat|pak|pdb)$/i": "assembly",
+  "regex:\\.((c([+px]{2}?)?-?)?objdump|bsdiff|bin|dat|pak|pdb)$": "assembly",
   ".d-objdump": "assembly",
-  "/\\.gcode|\\.gco/i": "assembly",
-  "/\\.rpy[bc]$/i": "assembly",
-  "/\\.py[co]$/i": "assembly",
+  "regex:\\.gcode|\\.gco$": "assembly",
+  "regex:\\.rpy[bc]$": "assembly",
+  "regex:\\.py[co]$": "assembly",
   ".swp": "assembly",
   ".DS_Store": "assembly",
   ".au3": "autoit",
-  "/\\.babelrc/i": "babel",
+  "regex:\\.babelrc$": "babel",
   ".bat": "bat",
   ".batch": "bat",
   ".cmd": "bat",
-  "/\\.(exe|com|msi)$/i": "bat",
+  "regex:\\.(exe|com|msi)$": "bat",
   ".reg": "bat",
-  "/^(BUILD)|(WORKSPACE)|(\\.bzl)|(\\.bazel(rc)?)|(\\.s(tar|ky))$/": "bazel",
-  "/^(\\.bowerrc|bower\\.json|Bowerfile)$/i": "bower",
-  "/\\.bf?$/i": "brainfuck",
-  "/\\.c$/i": "c",
-  "/(cargo.toml|cargo.lock)/i": "cargo",
+  "regex:^(BUILD|WORKSPACE|\\.bzl|\\.bazel(rc)?|\\.s(tar|ky))$": "bazel",
+  "regex:^(\\.bowerrc|bower\\.json|Bowerfile)$": "bower",
+  "regex:\\.bf?$": "brainfuck",
+  "regex:\\.c$": "c",
+  "regex:(cargo\\.toml|cargo\\.lock)$": "cargo",
   ".casc": "casc",
   ".cas": "casc",
   ".ces": "citrinescript",
@@ -74,32 +74,32 @@
   ".cljc": "clojure",
   ".cljx": "clojure",
   ".hic": "clojure",
-  "/\\.cljs(cm)?$/i": "clojure",
+  "regex:\\.cljs(cm)?$": "clojure",
   ".cmake": "cmake",
-  "/^CMakeLists\\.txt$/": "cmake",
-  "/\\.codeclimate\\.(yml|json)/i": "codeclimate",
+  "regex:^CMakeLists\\.txt$": "cmake",
+  "regex:\\.codeclimate\\.(yml|json)$": "codeclimate",
   ".cbl": "cobol",
   ".cob": "cobol",
   ".coffee": "coffee",
   ".cjsx": "coffee",
   ".coffee.ecr": "coffee",
-  "/contenthook\\.config\\.(ts|cjs|mjs|js)$/i": "contenthook",
+  "regex:contenthook\\.config\\.(ts|cjs|mjs|js)$": "contenthook",
   ".coffee.erb": "coffee",
   ".litcoffee": "coffee",
   ".iced": "coffee",
   ".cos": "cosmo",
   ".⭐": "cosmo",
-  "/\\.c[+px]{2}$|\\.cc$/i": "cpp",
-  "/\\.h[+px]{2}$/i": "cpp",
-  "/\\.[it]pp$/i": "cpp",
-  "/\\.(tcc|inl)$/i": "cpp",
+  "regex:\\.c[+px]{2}$|\\.cc$": "cpp",
+  "regex:\\.h[+px]{2}$": "cpp",
+  "regex:\\.[it]pp$": "cpp",
+  "regex:\\.(tcc|inl)$": "cpp",
   ".cats": "cpp",
   ".idc": "cpp",
   ".w": "cpp",
   ".nc": "cpp",
   ".upc": "cpp",
   ".xpm": "cpp",
-  "/\\.e?cr$/i": "crystal",
+  "regex:\\.e?cr$": "crystal",
   ".cs": "csharp",
   ".csx": "csharp",
   ".cshtml": "razor",
@@ -108,7 +108,7 @@
   ".css.map": "cssmap",
   ".cu": "cuda",
   ".pyx": "cython",
-  "/\\.di?$/i": "d",
+  "regex:\\.di?$": "d",
   ".dart": "dart",
   ".dfm": "delphi",
   ".dpr": "delphi",
@@ -116,32 +116,32 @@
   ".dm": "dm",
   ".dme": "dm",
   ".dmm": "dm",
-  "/^(Dockerfile|docker-compose)|\\.docker(file|ignore)$/i": "docker",
-  "/^docker-sync\\.yml$/i": "docker",
+  "regex:^(Dockerfile|docker-compose|\\.docker(file|ignore))$": "docker",
+  "regex:^docker-sync\\.yml$": "docker",
   ".editorconfig": "editorconfig",
   ".ejs": "ejs",
   ".ex": "elixir",
-  "/\\.(exs|l?eex)$/i": "elixir",
-  "/^mix\\.(exs?|lock)$/i": "elixir",
+  "regex:\\.(exs|l?eex)$": "elixir",
+  "regex:^mix\\.(exs?|lock)$": "elixir",
   ".elm": "elm",
   ".env": "env",
   ".erl": "erlang",
-  "/\\.([fF])(03|08|18|90|95)$/i": "fortran",
+  "regex:\\.([fF])(03|08|18|90|95)$": "fortran",
   ".beam": "erlang",
   ".hrl": "erlang",
   ".xrl": "erlang",
   ".yrl": "erlang",
   ".app.src": "erlang",
-  "/^Emakefile$/": "erlang",
-  "/^rebar(\\.config)?\\.lock$/i": "erlang",
-  "/(\\.firebaserc|firebase\\.json)/i": "firebase",
+  "regex:^Emakefile$": "erlang",
+  "regex:^rebar(\\.config)?\\.lock$": "erlang",
+  "regex:(\\.firebaserc|firebase\\.json)$": "firebase",
   ".flowconfig": "flowconfig",
   ".fs": "fsharp",
   ".fsi": "fsharp",
   ".fsscript": "fsharp",
   ".fsx": "fsharp",
-  "/^Gemfile(\\.lock)?$/i": "gemfile",
-  "/^\\.git|^\\.keep$|\\.mailmap$/i": "git",
+  "regex:^Gemfile(\\.lock)?$": "gemfile",
+  "regex:^\\.git|^\\.keep$|\\.mailmap$": "git",
   ".gml": "gml",
   ".gleam": "gleam",
   ".go": "go",
@@ -149,15 +149,15 @@
   ".gr": "grain",
   ".gradle": "gradle",
   "gradlew": "gradle",
-  "/\\.(g|c)sc$/i": "gamescript",
+  "regex:\\.(g|c)sc$": "gamescript",
   ".gql": "graphql",
   ".graphql": "graphql",
   ".groovy": "groovy",
-  "/\\.gv?y$/i": "groovy",
+  "regex:\\.gv?y$": "groovy",
   ".gsh": "groovy",
-  "/[Gg]runtfile\\.(js|coffee)/i": "gruntfile",
+  "regex:[Gg]runtfile\\.(js|coffee)$": "gruntfile",
   "gulpfile.js": "gulp",
-  "/\\.(hbs|handlebars|(mu)?stache)$/i": "handlebars",
+  "regex:\\.(hbs|handlebars|(mu)?stache)$": "handlebars",
   ".prg": "harbour",
   ".ha": "hare",
   ".hbp": "harbour",
@@ -169,15 +169,15 @@
   ".c2hs": "haskell",
   ".c3": "c3",
   ".lhs": "haskell",
-  "/\\.(hlsl|cginc|cg|shader|fx)$/i": "hlsl",
-  "/\\.(glsl|vert|frag|geom|tesc|tese|comp)$/i": "glsl",
-  "/\\.hx(ml)?$/i": "haxe",
-  "/^procfile/i": "heroku",
+  "regex:\\.(hlsl|cginc|cg|shader|fx)$": "hlsl",
+  "regex:\\.(glsl|vert|frag|geom|tesc|tese|comp)$": "glsl",
+  "regex:\\.hx(ml)?$": "haxe",
+  "^procfile$": "heroku",
   ".heex": "heex",
   "heroku.yml": "heroku",
   ".hjson": "hjson",
   ".hc": "holyc",
-  "/\\.x?html?$/i": "html",
+  "regex:\\.x?html?$": "html",
   ".http": "http",
   ".rest": "http",
   ".jar": "jar",
@@ -193,30 +193,30 @@
   ".jsonc": "json",
   ".jsx": "jsx",
   ".jule": "jule",
-  "/\\.(jil|jl)/i": "julia",
+  "regex:\\.(jil|jl)$": "julia",
   ".ipynb": "jupyter",
-  "/\\.kt[ms]?$/i": "kotlin",
+  "regex:\\.kt[ms]?$": "kotlin",
   ".less": "less",
-  "/\\.l(i?sp)?$/i": "lisp",
-  "/\\.n[ly]$/i": "lisp",
+  "regex:\\.l(i?sp)?$": "lisp",
+  "regex:\\.n[ly]$": "lisp",
   ".podsl": "lisp",
-  "/\\.s([s]|(cm)|(exp))$/i": "lisp",
+  "regex:\\.s([s]|(cm)|(exp))$": "lisp",
   ".ls": "livescript",
   ".log": "log",
-  "/\\.([w]|(pd_))?lua$/i": "lua",
-  "/\\.luau$/i": "luau",
-  "/\\.rbx(?:lx|l|m|s)?$/i": "luau",
-  "/^Makefile/": "makefile",
-  "/^mk\\.config$/": "makefile",
-  "/\\.(mk|mak|make)$/i": "makefile",
-  "/^BSDmakefile$/i": "makefile",
-  "/^GNUmakefile$/i": "makefile",
-  "/^makefile\\.sco$/i": "makefile",
-  "/^Kbuild$/": "makefile",
-  "/^makefile$/": "makefile",
-  "/^mkfile$/i": "makefile",
-  "/^\\.?qmake$/i": "makefile",
-  "/\\.(geo|topo)$/i": "manifest",
+  "regex:\\.([w]|(pd_))?lua$": "lua",
+  "regex:\\.luau$": "luau",
+  "regex:\\.rbx(?:lx|l|m|s)?$": "luau",
+  "^Makefile$": "makefile",
+  "^mk\\.config$": "makefile",
+  "regex:\\.(mk|mak|make)$": "makefile",
+  "regex:^BSDmakefile$": "makefile",
+  "regex:^GNUmakefile$": "makefile",
+  "regex:^makefile\\.sco$": "makefile",
+  "regex:^Kbuild$": "makefile",
+  "regex:^makefile$": "makefile",
+  "regex:^mkfile$": "makefile",
+  "regex:^\\.?qmake$": "makefile",
+  "regex:\\.(geo|topo)$": "manifest",
   ".cson": "manifest",
   ".json5": "manifest",
   ".ndjson": "manifest",
@@ -226,7 +226,7 @@
   ".proto": "manifest",
   ".pytb": "manifest",
   ".pydeps": "manifest",
-  "/\\.pot?$/i": "manifest",
+  "regex:\\.pot?$": "manifest",
   ".ejson": "manifest",
   ".edn": "manifest",
   ".eam.fs": "manifest",
@@ -238,18 +238,18 @@
   ".sol": "solidity",
   ".syntax": "manifest",
   ".webmanifest": "manifest",
-  "/^pkginfo$/": "manifest",
+  "regex:^pkginfo$": "manifest",
   ".moon": "moonscript",
-  "/^mime\\.types$/i": "manifest",
-  "/^METADATA\\.pb$/": "manifest",
-  "/[\\/\\\\](?:magic[\\/\\\\]Magdir|file[\\/\\\\]magic)[\\/\\\\][-.\\w]+$/i": "manifest",
-  "/(\\\\|\\/)dev[-\\w]+\\1(?:[^\\\\\\/]+\\1)*(?!DESC|NOTES)(?:[A-Z][-A-Z]*)(?:\\.in)?$/": "manifest",
+  "regex:^mime\\.types$": "manifest",
+  "regex:^METADATA\\.pb$": "manifest",
+  "regex:/\\\\[/\\\\][-.\\w]+$": "manifest",
+  "regex:([/\\\\]|\\/)dev[-\\w]+\\1(?:[^/\\\\]+\\1)*(?!DESC|NOTES)(?:[A-Z][-A-Z]*)(?:\\.in)?$": "manifest",
   "lib/icons/.icondb.js": "manifest",
-  "/\\.git[\\/\\\\](.*[\\/\\\\])?(HEAD|ORIG_HEAD|packed-refs|logs[\\/\\\\](.+[\\/\\\\])?[^\\/\\\\]+)$/": "manifest",
-  "/\\.(md|mdown|markdown|mkd|mkdown|mdwn|mkdn|rmd|ron|pmd)$/i": "markdown",
+  "regex:\\.git/\\\\?(HEAD|ORIG_HEAD|packed-refs|logs/\\\\?[^/\\\\]+)$": "manifest",
+  "regex:\\.(md|mdown|markdown|mkd|mkdown|mdwn|mkdn|rmd|ron|pmd)$": "markdown",
   ".mdx": "markdownx",
   ".marko": "marko",
-  "/\\.m$/i": "matlab",
+  "regex:\\.m$": "matlab",
   ".nim": "nim",
   ".nims": "nim",
   ".nimble": "nim",
@@ -257,37 +257,37 @@
   ".npmrc": "npm",
   ".npmignore": "npm",
   ".nut": "squirrel",
-  "/\\.mm?$/i": "objective-c",
+  "regex:\\.mm?$": "objective-c",
   ".pch": "objective-c",
   ".x": "objective-c",
-  "/\\.eliom[i]?$/i": "ocaml",
-  "/\\.ml[4lyi]?$/i": "ocaml",
+  "regex:\\.eliom[i]?$": "ocaml",
+  "regex:\\.ml[4lyi]?$": "ocaml",
   ".mt": "metal",
   ".odin": "odin",
   ".onyx": "onyx",
-  "/\\.pas(cal)?$/i": "pascal",
+  "regex:\\.pas(cal)?$": "pascal",
   ".lpr": "pascal",
   ".inc": "pawn",
   ".sma": "pawn",
-  "/\\.p(wn)?$/i": "pawn",
+  "regex:\\.p(wn)?$": "pawn",
   ".sp": "sourcepawn",
-  "/\\.p(er)?l$/i": "perl",
+  "regex:\\.p(er)?l$": "perl",
   ".al": "perl",
-  "/\\.p([hm]|(lx))$/i": "perl",
-  "/\\.(psgi|xs)$/i": "perl",
+  "regex:\\.p([hm]|lx)$": "perl",
+  "regex:\\.(psgi|xs)$": "perl",
   ".pl6": "perl",
-  "/\\.[tp]6$|\\.6pl$/i": "perl",
-  "/\\.(pm6|p6m)$/i": "perl",
+  "regex:\\.[tp]6$|\\.6pl$": "perl",
+  "regex:\\.(pm6|p6m)$": "perl",
   ".6pm": "perl",
   ".nqp": "perl",
   ".p6l": "perl",
   ".pod6": "perl",
-  "/^Rexfile$/": "perl",
-  "/\\.php([st\\d]|_cs)?$/i": "php",
-  "/^Phakefile/": "php",
+  "regex:^Rexfile$": "perl",
+  "regex:\\.php([st\\d]|_cs)?$": "php",
+  "^Phakefile$": "php",
   ".pony": "ponylang",
   ".pcss": "postcss",
-  "/\\.ps[md]?1$/i": "powershell",
+  "regex:\\.ps[md]?1$": "powershell",
   ".ps1xml": "powershell",
   ".prettierignore": "prettier",
   "prisma.yml": "prisma",
@@ -298,48 +298,48 @@
   ".ipy": "python",
   ".isolate": "python",
   ".pep": "python",
-  "/\\.gypi?$/i": "python",
+  "regex:\\.gypi?$": "python",
   ".pyde": "python",
-  "/\\.py([wi3tp]|(de))?$/i": "python",
+  "regex:\\.py([wi3tp]|de)?$": "python",
   ".tac": "python",
   ".wsgi": "python",
   ".xpy": "python",
   ".rpy": "python",
-  "/\\.?(pypirc|pythonrc|python-venv)$/i": "python",
-  "/^(SConstruct|SConscript)$/": "python",
-  "/^(Snakefile|WATCHLISTS)$/": "python",
-  "/^wscript$/": "python",
-  "/\\.(r|Rprofile|rsx|rd)$/i": "r",
+  "regex:\\.?(pypirc|pythonrc|python-venv)$": "python",
+  "regex:^(SConstruct|SConscript)$": "python",
+  "regex:^(Snakefile|WATCHLISTS)$": "python",
+  "regex:^wscript$": "python",
+  "regex:\\.(r|Rprofile|rsx|rd)$": "r",
   ".razor": "razor",
-  "/\\.res?i?$/i": "reasonml",
+  "regex:\\.res?i?$": "reasonml",
   ".rst": "restructuredtext",
-  "/\\.(rb|ru|ruby|erb|gemspec|god|mspec|pluginspec|podspec|rabl|rake|opal)$/i": "ruby",
-  "/^\\.?(irbrc|gemrc|pryrc|ruby-(gemset|version))$/i": "ruby",
-  "/^(Appraisals|(Rake|[bB]uild|Cap|Danger|Deliver|Fast|Guard|Jar|Maven|Pod|Puppet|Snap)file(\\.lock)?)$/": "ruby",
-  "/\\.(jbuilder|rbuild|rb[wx]|builder)$/i": "ruby",
-  "/^rails$/": "ruby",
+  "regex:\\.(rb|ru|ruby|erb|gemspec|god|mspec|pluginspec|podspec|rabl|rake|opal)$": "ruby",
+  "regex:^\\.?(irbrc|gemrc|pryrc|ruby-(gemset|version))$": "ruby",
+  "regex:^(Appraisals|(Rake|[bB]uild|Cap|Danger|Deliver|Fast|Guard|Jar|Maven|Pod|Puppet|Snap)file(\\.lock)?)$": "ruby",
+  "regex:\\.(jbuilder|rbuild|rb[wx]|builder)$": "ruby",
+  "regex:^rails$": "ruby",
   ".watchr": "ruby",
   ".rs": "rust",
-  "/\\.(sc|scala)$/i": "scala",
-  "/\\.s[ac]ss$/i": "scss",
-  "/\\.(sh|rc|bats|bash|tool|install|command)$/i": "shell",
-  "/^(\\.?bash(rc|[-_]?(profile|login|logout|history|prompt))|_osc|config|install-sh|PKGBUILD)$/i": "shell",
-  "/\\.(ksh|mksh|pdksh)$/i": "shell",
+  "regex:\\.(sc|scala)$": "scala",
+  "regex:\\.s[ac]ss$": "scss",
+  "regex:\\.(sh|rc|bats|bash|tool|install|command)$": "shell",
+  "regex:^(\\.?bash(rc|[-_]?(profile|login|logout|history|prompt))|_osc|config|install-sh|PKGBUILD)$": "shell",
+  "regex:\\.(ksh|mksh|pdksh)$": "shell",
   ".sh-session": "shell",
-  "/\\.zsh(-theme|_history)?$|^\\.?(antigen|zpreztorc|zlogin|zlogout|zprofile|zshenv|zshrc)$/i": "shell",
-  "/\\.fish$|^\\.fishrc$/i": "shell",
-  "/^\\.?(login|profile)$/": "shell",
+  "regex:\\.zsh(-theme|_history)?$|^\\.?(antigen|zpreztorc|zlogin|zlogout|zprofile|zshenv|zshrc)$": "shell",
+  "regex:\\.fish$|^\\.fishrc$": "shell",
+  "regex:^\\.?(login|profile)$": "shell",
   ".inputrc": "shell",
   ".tmux": "shell",
-  "/^(configure|config\\.(guess|rpath|status|sub)|depcomp|libtool|compile)$/": "shell",
-  "/^\\/(private\\/)?etc\\/([^\\/]+\\/)*(profile$|nanorc$|rc\\.|csh\\.)/i": "shell",
-  "/^\\.?cshrc$/i": "shell",
+  "regex:^(configure|config\\.(guess|rpath|status|sub)|depcomp|libtool|compile)$": "shell",
+  "regex:^/(private/)?etc/([^/]+/)*(profile$|nanorc$|rc\\.|csh\\.)$": "shell",
+  "regex:^\\.?cshrc$": "shell",
   ".profile": "shell",
   ".tcsh": "shell",
   ".csh": "shell",
   ".sk": "skript",
   ".sqf": "sqf",
-  "/\\.(my)?sql$/i": "sql",
+  "regex:\\.(my)?sql$": "sql",
   ".ddl": "sql",
   ".udf": "sql",
   ".hql": "sql",
@@ -348,13 +348,13 @@
   ".prc": "sql",
   ".cql": "sql",
   ".db2": "sql",
-  "/\\.(styl|stylus)$/i": "stylus",
+  "regex:\\.(styl|stylus)$": "stylus",
   ".sln": "csproj",
-  "/\\.sv(h)?$/i": "systemverilog",
+  "regex:\\.sv(h)?$": "systemverilog",
   ".svelte": "svelte",
   ".svg": "svg",
   ".swift": "swift",
-  "/\\.tex(i)?$/i": "tex",
+  "regex:\\.tex(i)?$": "tex",
   ".ltx": "tex",
   ".aux": "tex",
   ".sty": "tex",
@@ -363,17 +363,17 @@
   ".ins": "tex",
   ".lbx": "tex",
   ".mkiv": "tex",
-  "/\\.mk[vi]i$/i": "tex",
-  "/^hyphen(ex)?\\.(cs|den|det|fr|sv|us)$/": "tex",
-  "/\\.te?xt$/i": "text",
+  "regex:\\.mk[vi]i$": "tex",
+  "regex:^hyphen(ex)?\\.(cs|den|det|fr|sv|us)$": "tex",
+  "regex:\\.te?xt$": "text",
   ".rtf": "text",
-  "/\\.i?nfo$/i": "text",
+  "regex:\\.i?nfo$": "text",
   ".msg": "text",
-  "/\\.(utxt|utf8)$/i": "text",
+  "regex:\\.(utxt|utf8)$": "text",
   ".toml": "toml",
   ".travis.yml": "travis",
   ".ts.map": "tsmap",
-  "/.*\\.d\\.ts/i": "typescript-def",
+  "regex:.*\\.d\\.ts$": "typescript-def",
   ".ts": "ts",
   ".tsx": "tsx",
   ".twig": "twig",
@@ -398,13 +398,13 @@
   ".wasm": "wasm",
   ".xml": "xml",
   ".xaml": "xaml",
-  "/\\.ya?ml$/i": "yaml",
-  "/^yarn(\\.lock)?$/i": "yarn",
+  "regex:\\.ya?ml$": "yaml",
+  "regex:^yarn(\\.lock)?$": "yarn",
   ".yarnrc": "yarn",
   ".zig": "zig",
   ".maeel": "maeel",
-  "/\\.(tfvars|tf)$/i": "terraform",
-  "/\\.mojo$/i": "mojo",
+  "regex:\\.(tfvars|tf)$": "terraform",
+  "regex:\\.mojo$": "mojo",
   ".🔥": "mojo",
   ".zs": "zs"
 }
diff --git a/lsp/Cargo.toml b/lsp/Cargo.toml
index 68a6461..758491e 100644
--- a/lsp/Cargo.toml
+++ b/lsp/Cargo.toml
@@ -10,3 +10,4 @@ tower-lsp = "0.20.0"
 git2 = "0.19.0"
 serde_json = "1.0.122"
 lazy_static = "1.5.0"
+regex = "1.10.6"
diff --git a/lsp/src/languages.rs b/lsp/src/languages.rs
index 0759d42..bf1639c 100644
--- a/lsp/src/languages.rs
+++ b/lsp/src/languages.rs
@@ -1,4 +1,5 @@
 use lazy_static::lazy_static;
+use regex::Regex;
 use serde_json::from_str;
 use std::collections::HashMap;
 use std::sync::Mutex;
@@ -15,11 +16,29 @@ lazy_static! {
 
 pub fn get_language(document: &Document) -> Option<String> {
     let map = LANGUAGE_MAP.lock().unwrap();
+    let filename = document.get_filename().to_string();
+    let extension = format!(".{}", document.get_extension());
 
-    if let Some(s) = map.get(&document.get_filename().to_string()) {
+    if let Some(s) = map.get(&filename) {
         return Some(s.to_string());
     }
 
-    map.get(&format!(".{}", document.get_extension()))
-        .map(|s| s.to_string())
+    for (pattern, language) in map.iter() {
+        let pattern = pattern.strip_prefix("regex:");
+        if pattern.is_none() {
+            continue;
+        }
+
+        if let Ok(re) = Regex::new(pattern.unwrap()) {
+            if re.is_match(&filename) || re.is_match(&extension) {
+                return Some(language.to_string());
+            }
+        }
+    }
+
+    if let Some(s) = map.get(&extension) {
+        return Some(s.to_string());
+    }
+
+    None
 }