Fix boolean regexp (denoland/deno_std#582)

Original: https://github.com/denoland/deno_std/commit/0b9e28f9185d1d237be025502894fa06682240f0

1 files changed, 11 insertions, 0 deletions

diff --git a/flags/bool_test.ts b/flags/bool_test.ts
index a33e9be0b..422ae0933 100755
--- a/flags/bool_test.ts
+++ b/flags/bool_test.ts
@@ -155,3 +155,14 @@ test(function booleanParsingFalse(): void {
 
   assertEquals(parsed.boool, false);
 });
+
+test(function booleanParsingTrueLike(): void {
+  const parsed = parse(["-t", "true123"], { boolean: ["t"] });
+  assertEquals(parsed.t, true);
+
+  const parsed2 = parse(["-t", "123"], { boolean: ["t"] });
+  assertEquals(parsed2.t, true);
+
+  const parsed3 = parse(["-t", "false123"], { boolean: ["t"] });
+  assertEquals(parsed3.t, true);
+});