@@ -124,14 +124,14 @@ syntax match clojureRegexpBoundary "[$^]" contained display
124124syntax match clojureRegexpQuantifier " [?*+][?+]\= " contained display
125125syntax match clojureRegexpQuantifier " \v\{\d +%(,|,\d +)?}\? ?" contained display
126126syntax match clojureRegexpOr " |" contained display
127- syntax match clojureRegexpBackRef " \v\\ %([1-9]\d *|k\< [a-zA-z ]+\> )" contained display
127+ syntax match clojureRegexpBackRef " \v\\ %([1-9]\d *|k\< [[:alpha:] ]+\> )" contained display
128128
129129" Mode modifiers, mode-modified spans, lookaround, regular and atomic
130130" grouping, and named-capturing.
131131syntax match clojureRegexpMod " \v\( @<=\? :" contained display
132132syntax match clojureRegexpMod " \v\( @<=\? [xdsmiuU]*-?[xdsmiuU]+:?" contained display
133133syntax match clojureRegexpMod " \v\( @<=\? %(\< ?[=!]|\> )" contained display
134- syntax match clojureRegexpMod " \v\( @<=\?\< [a-zA-Z ]+\> " contained display
134+ syntax match clojureRegexpMod " \v\( @<=\?\< [[:alpha:] ]+\> " contained display
135135
136136syntax region clojureRegexpGroup start =" (" skip =/ \\\\\|\\ )/ end =" )" matchgroup =clojureRegexpGroup contained contains =clojureRegexpMod,clojureRegexpQuantifier,clojureRegexpBoundary,clojureRegexpEscape,@clojureRegexpCharClasses
137137syntax region clojureRegexp start =/ \# "/ skip =/ \\\\\|\\ "/ end =/ "/ contains =@clojureRegexpCharClasses,clojureRegexpEscape,clojureRegexpQuote,clojureRegexpBoundary,clojureRegexpQuantifier,clojureRegexpOr,clojureRegexpBackRef,clojureRegexpGroup keepend
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