Use regex for matching values.

Decided on the regex crate to begin with. An alternative with a more
complete regex implementation is the onig crate. If we find we need
more powerful regexes, we may switch to that later.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index a7747c7..0c1a240 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,6 +16,7 @@
 
 use ical;
 use chrono::{DateTime, TimeZone, Utc};
+use regex::Regex;
 use std::fs::File;
 use std::io::BufReader;
 
@@ -70,8 +71,10 @@ fn match_event(event: &ical::parser::ical::component::IcalEvent, pattern: &str)
         let parts: Vec<&str> = pattern.split(':').collect();
         let (key, pat) = (parts[0].to_uppercase(), parts[1]);
 
+        let re = Regex::new(&pat).unwrap();
+
         event.properties.iter()
-            .filter(|ref p| p.name == key && p.value.clone().unwrap().matches(&pat).count() > 0)
+            .filter(|ref p| p.name == key && re.is_match(&p.value.clone().unwrap()))
             .count() > 0
     }
 }
@@ -103,6 +106,12 @@ fn match_events_by_summary() {
     assert_eq!(2, events.len());
 }
 
+#[test]
+fn match_events_by_regex() {
+    let events:Vec<_> = test_match_event_helper("summary:^All.+1$");
+    assert_eq!(1, events.len());
+}
+
 fn main() {
     let mut args = std::env::args().skip(1);
     let filename = args.next().unwrap();