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-rw-r--r--syntax/dart.vim2
1 files changed, 1 insertions, 1 deletions
diff --git a/syntax/dart.vim b/syntax/dart.vim
index 5b503dad..3400ae7a 100644
--- a/syntax/dart.vim
+++ b/syntax/dart.vim
@@ -53,7 +53,7 @@ syntax match dartLibrary "^\(library\|part of\|part\)\>"
syntax match dartMetadata "@\([_$a-zA-Z][_$a-zA-Z0-9]*\.\)*[_$a-zA-Z][_$a-zA-Z0-9]*\>"
" Numbers
-syntax match dartNumber "\<\d\+\(\.\d\+\)\=\>"
+syntax match dartNumber "\<0[xX]\x\+\>\|\<\d\+\(\.\d\+\)\=\([eE][+-]\=\d\+\)\=\>"
" User Types
syntax match dartUserType "\<[_$]*\u[a-zA-Z0-9_$]*\>"