1 files changed, 2 insertions, 1 deletions

diff --git a/re.html b/re.html
index ad60d50..24a582a 100644
--- a/re.html
+++ b/re.html
@@ -423,6 +423,7 @@ primary         <- '(' exp ')' / string / class / defined
                  / '=' name
                  / '{}'
                  / '{~' exp '~}'
+                 / '{|' exp '|}'
                  / '{' exp '}'
                  / '.'
                  / name S !arrow
@@ -436,7 +437,7 @@ item            <- defined / range / .
 range           <- . '-' [^]]
 
 S               <- (%s / '--' [^%nl]*)*   -- spaces and comments
-name            <- [A-Za-z][A-Za-z0-9_]*
+name            <- [A-Za-z_][A-Za-z0-9_]*
 arrow           <- '<-'
 num             <- [0-9]+
 string          <- '"' [^"]* '"' / "'" [^']* "'"