Use minimal regex/fancy-regex build features to reduce build size

Cargo.toml

@@ -15,13 +15,21 @@ maintenance = { status = "passively-maintained" }
 
 [dependencies]
 derive_builder = { version = "0.12.0", optional = true }
-fancy-regex = "0.11.0"
 itertools = "0.10.0"
 lazy_static = "1.3"
 quick-error = "2.0"
-regex = "1"
 time = { version = "0.3" }
 
+[dependencies.regex]
+version = "1"
+default-features = false
+features = ["std"]
+
+[dependencies.fancy-regex]
+version = "0.13.0"
+default-features = false
+features = ["std"]
+
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 js-sys = "0.3.56"
 

src/matching/mod.rs

@@ -848,7 +848,7 @@
         table
     };
     static ref MAYBE_DATE_NO_SEPARATOR_REGEX: Regex = Regex::new(r"^[0-9]{4,8}$").unwrap();
-    static ref MAYBE_DATE_WITH_SEPARATOR_REGEX: Regex = Regex::new(r"^([0-9]{1,4})([\s/\\_.-])([0-9]{1,2})([\s/\\_.-])([0-9]{1,4})$").unwrap();
+    static ref MAYBE_DATE_WITH_SEPARATOR_REGEX: Regex = Regex::new(r"^([0-9]{1,4})([ \t\r\n/\\_.-])([0-9]{1,2})([[ \t\r\n/\\_.-]/\\_.-])([0-9]{1,4})$").unwrap();
 }
 
 #[cfg(test)]
@@ -990,7 +990,7 @@
             } else {
                 panic!("Wrong match pattern")
             };
             assert_eq!(p.reversed, true);
         }
     }
 
@@ -1063,7 +1063,7 @@
             } else {
                 panic!("Wrong match pattern")
             };
             assert_eq!(p.l33t, true);
         }
     }
 
@@ -1082,7 +1082,7 @@
             } else {
                 panic!("Wrong match pattern")
             };
             assert_eq!(p.l33t, true);
         }
     }
 
@@ -1208,7 +1208,7 @@
             panic!("Wrong match pattern")
         };
         assert_eq!(p.sequence_name, "lower");
         assert_eq!(p.ascending, false);
     }
 
     #[test]