From cb80cf508ac0990038ec6ee6cd90cb61eaeabe5c Mon Sep 17 00:00:00 2001
From: Louis Pilfold <louis@lpil.uk>
Date: Thu, 26 Aug 2021 22:33:03 +0100
Subject: Regex compile and check

---
 src/gleam_stdlib.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/gleam_stdlib.js')

diff --git a/src/gleam_stdlib.js b/src/gleam_stdlib.js
index c7db142..d2454ba 100644
--- a/src/gleam_stdlib.js
+++ b/src/gleam_stdlib.js
@@ -7,6 +7,7 @@ import {
   toBitString,
   stringBits,
 } from "./gleam.js";
+import { CompileError as RegexCompileError } from "./gleam/regex.js";
 
 const Nil = undefined;
 
@@ -228,3 +229,20 @@ export function bit_string_slice(bits, position, length) {
 export function codepoint(int) {
   return new UtfCodepoint(int);
 }
+
+export function regex_check(regex, string) {
+  return regex.test(string);
+}
+
+export function compile_regex(pattern, options) {
+  try {
+    let flags = "";
+    if (options.case_insensitive) flags += "i";
+    if (options.multi_line) flags += "m";
+    return new Ok(new RegExp(pattern, flags));
+  } catch (error) {
+    return new Error(
+      new RegexCompileError(error.message, error.columnNumber || 0)
+    );
+  }
+}
-- 
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