refactor(preg): add preg_is_match for existence-only call sites

The capture groups were discarded at 162 of the preg_match call sites,
which only tested the Option. They now call preg_is_match, which lets the
regex engine skip capture tracking.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/crates/shirabe/src/package/version/version_bumper.rs b/crates/shirabe/src/package/version/version_bumper.rs
index e75dea33..075663d4 100644
--- a/crates/shirabe/src/package/version/version_bumper.rs
+++ b/crates/shirabe/src/package/version/version_bumper.rs
@@ -6,7 +6,7 @@ use crate::package::loader::ArrayLoader;
 use crate::package::version::VersionParser;
 use crate::util::Platform;
 use shirabe_php_shim::{
-    CaptureKey, php_regex, preg_match, preg_match_all_offset_capture, preg_replace,
+    CaptureKey, php_regex, preg_is_match, preg_match_all_offset_capture, preg_replace,
 };
 use shirabe_semver::Intervals;
 use shirabe_semver::constraint::AnyConstraint;
@@ -51,7 +51,7 @@ impl VersionBumper {
             preg_replace(php_regex!(r"{(?:\.(?:0|9999999))+(-dev)?$}"), "", &version);
         let new_pretty_constraint = format!("^{}", version_without_suffix);
 
-        if preg_match(php_regex!(r"{^\^\d+(\.\d+)*$}"), &new_pretty_constraint).is_none() {
+        if !preg_is_match(php_regex!(r"{^\^\d+(\.\d+)*$}"), &new_pretty_constraint) {
             return Ok(pretty_constraint);
         }