Require word edges for numeric constants

Author: kulp

scripts/tenyr.vim

@@ -31,10 +31,10 @@ syn match tenyrEscape contained '\\[\\'0bfnrtv]'
 syn region tenyrString start='"' end='"' contained contains=tenyrEscape
 syn region tenyrStrRegion start="\.chars\>" end="$" keepend contains=tenyrString,tenyrStrDir
 
-syn match tenyrNumber '-\?\(0\|[1-9]\([0-9_]*[0-9]\)\?\)\>' " decimal
-syn match tenyrNumber '-\?0[0-7_]*[0-7]' " octal
-syn match tenyrNumber '-\?0x[[:xdigit:]_]*[[:xdigit:]]' " hexadecimal
-syn match tenyrNumber '-\?0b[01_]*[01]' " binary
+syn match tenyrNumber '-\?\<\(0\|[1-9]\([0-9_]*[0-9]\)\?\)\>' " decimal
+syn match tenyrNumber '-\?\<0[0-7_]*[0-7]' " octal
+syn match tenyrNumber '-\?\<0x[[:xdigit:]_]*[[:xdigit:]]' " hexadecimal
+syn match tenyrNumber '-\?\<0b[01_]*[01]' " binary
 
 let b:current_syntax = "tenyr"