[yaml mode] Fix exponential regexp

marijnh · marijnh · commit 4ea5f465587e · 2023-08-09T22:54:39.000+02:00
Closes #7053
diff --git a/mode/yaml/yaml.js b/mode/yaml/yaml.js
@@ -85,7 +85,7 @@ CodeMirror.defineMode("yaml", function() {
       }
 
       /* pairs (associative arrays) -> key */
-      if (!state.pair && stream.match(/^\s*(?:[,\[\]{}&*!|>'"%@`][^\s'":]|[^,\[\]{}#&*!|>'"%@`])[^#]*?(?=\s*:($|\s))/)) {
+      if (!state.pair && stream.match(/^\s*(?:[,\[\]{}&*!|>'"%@`][^\s'":]|[^\s,\[\]{}#&*!|>'"%@`])[^#:]*(?=:($|\s))/)) {
         state.pair = true;
         state.keyCol = stream.indentation();
         return "atom";

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ CodeMirror.defineMode("yaml", function() {`
`85`	`85`	`}`
`86`	`86`
`87`	`87`	`/* pairs (associative arrays) -> key */`
`88`		- if (!state.pair && stream.match(/^\s(?:[,\[\]{}&!\|>'"%@`][^\s'":]\|[^,\[\]{}#&!\|>'"%@`])[^#]?(?=\s*:($\|\s))/)) {
	`88`	+ if (!state.pair && stream.match(/^\s(?:[,\[\]{}&!\|>'"%@`][^\s'":]\|[^\s,\[\]{}#&!\|>'"%@`])[^#:](?=:($\|\s))/)) {
`89`	`89`	`state.pair = true;`
`90`	`90`	`state.keyCol = stream.indentation();`
`91`	`91`	`return "atom";`