Use verbose mode for the line regex

VHSgunzo · Apr 9, 2018 · 1d1d44d · 1d1d44d
1 parent 1f18a80
commit 1d1d44d
Showing 1 changed file with 15 additions and 10 deletions.
diff --git a/src/parse.rs b/src/parse.rs
@@ -6,16 +6,21 @@ pub type ParsedLine = Result<Option<(String, String)>>;
 
 pub fn parse_line(line: &str) -> ParsedLine {
     lazy_static! {
-      static ref LINE_REGEX: Regex = Regex::new(concat!(
-        r"^(\s*(",
-        r"#.*|",                            // A comment, or...
-        r"\s*|",                            // ...an empty string, or...
-        r"(export\s+)?",                    // ...(optionally preceded by "export")...
-        r"(?P<key>[A-Za-z_][A-Za-z0-9_]*)", // ...a key,...
-        r"=",                               // ...then an equal sign,...
-        r"(?P<value>.+?)?",                 // ...and then its corresponding value.
-        r")\s*)[\r\n]*$"
-      )).unwrap();
+      static ref LINE_REGEX: Regex = Regex::new(r#"(?x)
+        ^(
+          \s*
+          (
+            \#.*|                           # A comment, or...
+            \s*|                            # ...an empty string, or...
+            (export\s+)?                    # ...(optionally preceded by "export")...
+            (?P<key>[A-Za-z_][A-Za-z0-9_]*) # ...a key,...
+            =                               # ...then an equal sign,...
+            (?P<value>.+?)?                 # ...and then its corresponding value.
+          )\s*
+        )
+        [\r\n]*
+        $
+      "#).unwrap();
     }
 
     LINE_REGEX