refactor(preg): drop the offset argument from preg_match

Every call site but one passed offset 0. The remaining one, the UTF-8
chunking loop in Application, slices the subject instead: its pattern has
no anchor or lookaround, so matching a suffix is equivalent to starting
the search at that offset.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/crates/shirabe/src/command/show_command.rs b/crates/shirabe/src/command/show_command.rs
index e8072ca8..acb4f5c8 100644
--- a/crates/shirabe/src/command/show_command.rs
+++ b/crates/shirabe/src/command/show_command.rs
@@ -39,7 +39,7 @@ use indexmap::IndexMap;
 use shirabe_php_shim::{
     CmpOp, DATE_ATOM, InvalidArgumentException, LogicException, PhpMixed, UnexpectedValueException,
     array_search, date_format_to_strftime, date_local, extension_loaded, impl_php_class,
-    in_array_loose, in_array_strict, php_regex, preg_match2, preg_quote, preg_replace, realpath,
+    in_array_loose, in_array_strict, php_regex, preg_match, preg_quote, preg_replace, realpath,
     strtolower, version_compare,
 };
 use shirabe_semver::Semver;
@@ -1373,10 +1373,9 @@ impl ShowCommand {
 
         if target_version.is_none() {
             if major_only
-                && let Some(groups) = preg_match2(
+                && let Some(groups) = preg_match(
                     php_regex!(r"{^(?P<zero_major>(?:0\.)+)?(?P<first_meaningful>\d+)\.}"),
                     &package.get_version(),
-                    0,
                 )
             {
                 let zero_major = groups.name("zero_major").unwrap_or_default().to_string();
@@ -2342,7 +2341,7 @@ impl Command for ShowCommand {
                         }
                         let matches_filter = match &package_filter_regex {
                             None => true,
-                            Some(r) => preg_match2(r, &p.get_name(), 0).is_some(),
+                            Some(r) => preg_match(r, &p.get_name()).is_some(),
                         };
                         if matches_filter {
                             let matches_list = match &package_list_filter {
@@ -2421,7 +2420,7 @@ impl Command for ShowCommand {
                 if show_latest && *show_version {
                     for package_or_name in type_packages.values() {
                         if let PackageOrName::Pkg(package) = package_or_name
-                            && preg_match2(&ignored_packages_regex, &package.get_pretty_name(), 0)
+                            && preg_match(&ignored_packages_regex, &package.get_pretty_name())
                                 .is_none()
                         {
                             let latest = self.find_latest_package(
@@ -2493,7 +2492,7 @@ impl Command for ShowCommand {
                         package_is_up_to_date =
                             package_is_up_to_date || (latest_package.is_none() && show_major_only);
                         let package_is_ignored =
-                            preg_match2(&ignored_packages_regex, &package.get_pretty_name(), 0)
+                            preg_match(&ignored_packages_regex, &package.get_pretty_name())
                                 .is_some();
                         if input.borrow().get_option("outdated")?.as_bool() == Some(true)
                             && (package_is_up_to_date || package_is_ignored)