feat(config): add regex option

espanso-config/src/legacy/config.rs

@@ -491,7 +491,7 @@ fn triggers_for_match(m: &Value) -> Vec<String> {
   } else if let Some(trigger) = m.get("trigger").and_then(|v| v.as_str()) {
     vec![trigger.to_string()]
   } else {
-    panic!("Match does not have any trigger defined: {:?}", m)
+    vec![]
   }
 }
 

espanso-config/src/matches/group/loader/yaml/mod.rs

@@ -17,7 +17,7 @@
  * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-use crate::{counter::next_id, matches::{ImageEffect, Match, Params, TextFormat, UpperCasingStyle, Value, Variable, group::{path::resolve_imports, MatchGroup}}};
+use crate::{counter::next_id, matches::{ImageEffect, Match, Params, RegexCause, TextFormat, UpperCasingStyle, Value, Variable, group::{path::resolve_imports, MatchGroup}}};
 use anyhow::Result;
 use log::{error, warn};
 use parse::YAMLMatchGroup;
@@ -137,6 +137,10 @@ impl TryFrom<YAMLMatch> for Match {
           .unwrap_or(TriggerCause::default().propagate_case),
         uppercase_style,
       })
+    } else if let Some(regex) = yaml_match.regex {  // TODO: add test case
+      MatchCause::Regex(RegexCause {
+        regex,
+      })
     } else {
       MatchCause::None
     };

espanso-config/src/matches/group/loader/yaml/parse.rs

@@ -64,6 +64,9 @@ pub struct YAMLMatch {
   #[serde(default)]
   pub triggers: Option<Vec<String>>,
 
+  #[serde(default)]
+  pub regex: Option<String>,
+
   #[serde(default)]
   pub replace: Option<String>,
 

espanso-config/src/matches/mod.rs

@@ -54,7 +54,7 @@ impl Default for Match {
 pub enum MatchCause {
   None,
   Trigger(TriggerCause),
-  // TODO: regex
+  Regex(RegexCause),
   // TODO: shortcut
 }
 
@@ -88,6 +88,19 @@ pub enum UpperCasingStyle {
   CapitalizeWords,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct RegexCause {
+  pub regex: String,
+}
+
+impl Default for RegexCause {
+  fn default() -> Self {
+    Self {
+      regex: String::new(),
+    }
+  }
+}
+
 // Effects
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash, EnumAsInner)]