JS: Added support for RegExp Match Indices (#2900)

components/prism-javascript.js

@@ -26,7 +26,7 @@ Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|ext
 
 Prism.languages.insertBefore('javascript', 'keyword', {
 	'regex': {
-		pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s]|\b(?:return|yield))\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[gimyus]{0,6}(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/,
+		pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s]|\b(?:return|yield))\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[dgimyus]{0,7}(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/,
 		lookbehind: true,
 		greedy: true,
 		inside: {

prism.js

@@ -1536,7 +1536,7 @@ Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|ext
 
 Prism.languages.insertBefore('javascript', 'keyword', {
 	'regex': {
-		pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s]|\b(?:return|yield))\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[gimyus]{0,6}(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/,
+		pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s]|\b(?:return|yield))\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[dgimyus]{0,7}(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/,
 		lookbehind: true,
 		greedy: true,
 		inside: {

tests/languages/javascript/regex_feature.test

@@ -1,5 +1,5 @@
 /foo bar/;
-/foo/gimyus,
+/foo/dgimyus,
 /[\[\]]{2,4}(?:foo)*/;
 /foo"test"bar/;
 /foo\//;
@@ -23,54 +23,63 @@ yield /regex/;
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "foo"],
 		["regex-delimiter", "/"],
-		["regex-flags", "gimyus"]
+		["regex-flags", "dgimyus"]
 	]],
 	["punctuation", ","],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "[\\[\\]]{2,4}(?:foo)*"],
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "foo\"test\"bar"],
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "foo\\/"],
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "[]"],
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "[\\]/]"],
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["number", "1"],
 	["operator", "/"],
 	["number", "4"],
 	["operator", "+"],
 	["string", "\"/, not a regex\""],
 	["punctuation", ";"],
+
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", " '1' '2' '3' '4' '5' "],
 		["regex-delimiter", "/"]
 	]],
+
 	["punctuation", "["],
 	["regex", [
 		["regex-delimiter", "/"],
@@ -89,6 +98,7 @@ yield /regex/;
 		["regex-flags", "m"]
 	]],
 	["comment", "// comment"],
+
 	["keyword", "let"],
 	" b ",
 	["operator", "="],
@@ -105,13 +115,15 @@ yield /regex/;
 		["regex-source", "another one"],
 		["regex-delimiter", "/"]
 	]],
+
 	["keyword", "return"],
 	["regex", [
 		["regex-delimiter", "/"],
 		["regex-source", "regex"],
 		["regex-delimiter", "/"]
 	]],
 	["punctuation", ";"],
+
 	["keyword", "yield"],
 	["regex", [
 		["regex-delimiter", "/"],
@@ -123,4 +135,4 @@ yield /regex/;
 
 ----------------------------------------------------
 
-Checks for regex.
+Checks for regex.