Cant seem to get string litterals working, vim regex is bonkers

Makefile

@@ -0,0 +1,27 @@
+UNAME := $(shell uname -s)
+LANGNAME := nimf
+
+SYN := /syntax
+FT := /ftdetect
+
+ifeq ($(OS), Windows_NT)
+	ROOT := $(HOME)/vimfiles
+else
+	ifeq ($(UNAME), Haiku)
+		ROOT := /boot/home/config/settings/vim
+	else
+		ROOT := ~/.vim
+	endif
+endif
+
+.PHONY: install
+install: ./syntax/${LANGNAME}.vim ./ftdetect/${LANGNAME}.vim
+	install -d ${ROOT}${SYN}
+	install -d ${ROOT}${FT}
+	install -m 0644 .${SYN}/${LANGNAME}.vim ${ROOT}${SYN}
+	install -m 0644 .${FT}/${LANGNAME}.vim ${ROOT}${FT}
+
+.PHONY: remove
+remove:
+	rm -rf ${ROOT}${SYN}/${LANGNAME}.vim
+	rm -rf ${ROOT}${FT}/${LANGNAME}.vim

ftdetect/nimf.vim

@@ -1,3 +1,2 @@
-au BufRead,BufNewFile *.gmi,*.gemini set filetype=gmi
-" Gemini protocol syntax for text/gemini files (*.gmi)
-" will also work for *.gemini files
+au BufRead,BufNewFile *.nimf,*.nh,*.nf set filetype=nimf
+

syntax/nimf.vim

@@ -12,34 +12,44 @@ elseif exists("b:current_syntax")
   finish
 endif
 
-" Handle monospaced blocks
-syn region gmiMono start=/^```/ end=/^```/
+" Characters allowed in keywords
+if version >= 600
+    setlocal iskeyword=!,@,33-35,%,$,38-64,A-Z,91-96,a-z,123-126,128-255
+else
+    set iskeyword=!,@,33-35,%,$,38-64,A-Z,91-96,a-z,123-126,128-255
+endif
+
+" Handle comment blocks
+syn region nimfComment start=/(/ end=/)/
+" syn match nimfStringLiteral '\v"\[ \t\]\+\.\*\[ \t\]\+"'
+" syn region nimfStringLiteral start=/\v" / skip=/\v\\./ end=/\v "/
 
-" Handle between one and three heading levels
-syn match gmiHeader /^#\{1,3}[^#].*$/
+" Adds highlighting for integers
+syn match nimfInt '\<-\=[0-9]*[0-9]\+\>'
 
-" Start a link line
-syn match gmiLinkStart /^=>/ nextgroup=gmiLinkUrl skipwhite
+" keywords for language keywords
+syn keyword nimfConditional if then else
+syn keyword nimfLoop do loop
+syn keyword nimfStatement var svar
+syn keyword nimfOperators + - / * % /% 0= ++ -- ! @ > < = >= <=
+syn match nimfWordDef '\<:m\?\s*[^ \t]\+\>'
+syn keyword nimfWordDef ;
+syn keyword nimfInclude inline
+syn match nimfInclude /module-end/
 
-" An extremely naive way of handling the URL portion of the link line
-" This is left naive in a deliberate attempt to be unambiguous about
-" what part of a link line gemini considers to be the URL, regardless
-" of whether or not it is a valid URL
-syn match gmiLinkUrl /\S\+/ contained nextgroup=gmiLinkTitle skipwhite
 
-" Skipping whitespace from the URL match all text, including whitespace,
-" until the end of the line
-syn match gmiLinkTitle /.*$/ contained
+" let b:current_syntax = "nimf"
 
-" Handle list items
-syn match gmiListItem /^\*.*$/
+highlight link nimfInclude          Include
+highlight link nimfWordDef          Identifier
+highlight link nimfStatement        Identifier
+highlight link nimfInt              Number
+highlight link nimfComment          Comment
 
-let b:current_syntax = "gmi"
+highlight link nimfStringLiteral    String
+highlight link nimfOperators        Special
+highlight link nimfConditional      Conditional
+highlight link nimfLoop             Repeat
+highlight link nimfMemory           SpecialChar
 
-hi def link gmiMono Special
-hi def link gmiHeader Constant
-hi def link gmiLinkStart Todo
-hi def link gmiLinkUrl Underlined
-hi def link gmiLinkTitle String
-hi def link gmiListItem Identifier