Fixed multiple cases of vulnerable regexes (#2584)

components/prism-asciidoc.js

@@ -1,7 +1,7 @@
 (function (Prism) {
 
 	var attributes = {
-		pattern: /(^[ \t]*)\[(?!\[)(?:(["'$`])(?:(?!\2)[^\\]|\\.)*\2|\[(?:[^\]\\]|\\.)*\]|[^\]\\]|\\.)*\]/m,
+		pattern: /(^[ \t]*)\[(?!\[)(?:(["'$`])(?:(?!\2)[^\\]|\\.)*\2|\[(?:[^\[\]\\]|\\.)*\]|[^\[\]\\"'$`]|\\.)*\]/m,
 		lookbehind: true,
 		inside: {
 			'quoted': {
@@ -32,7 +32,7 @@
 			alias: 'comment'
 		},
 		'table': {
-			pattern: /^\|={3,}(?:(?:\r?\n|\r).*)*?(?:\r?\n|\r)\|={3,}$/m,
+			pattern: /^\|={3,}(?:(?:\r?\n|\r(?!\n)).*)*?(?:\r?\n|\r)\|={3,}$/m,
 			inside: {
 				'specifiers': {
 					pattern: /(?!\|)(?:(?:(?:\d+(?:\.\d+)?|\.\d+)[+*])?(?:[<^>](?:\.[<^>])?|\.[<^>])?[a-z]*)(?=\|)/,
@@ -124,7 +124,7 @@
 			}
 		],
 		'macro': {
-			pattern: /\b[a-z\d][a-z\d-]*::?(?:(?:\S+)??\[(?:[^\]\\"]|(["'])(?:(?!\1)[^\\]|\\.)*\1|\\.)*\])/,
+			pattern: /\b[a-z\d][a-z\d-]*::?(?:(?:\S+)??\[(?:[^\]\\"']|(["'])(?:(?!\1)[^\\]|\\.)*\1|\\.)*\])/,
 			inside: {
 				'function': /^[a-z\d-]+(?=:)/,
 				'punctuation': /^::?/,

components/prism-bash.js

@@ -133,7 +133,7 @@
 			},
 			// “Normal” string
 			{
-				pattern: /(^|[^\\](?:\\\\)*)(["'])(?:\\[\s\S]|\$\([^)]+\)|`[^`]+`|(?!\2)[^\\])*\2/,
+				pattern: /(^|[^\\](?:\\\\)*)(["'])(?:\\[\s\S]|\$\([^)]+\)|\$(?!\()|`[^`]+`|(?!\2)[^\\`$])*\2/,
 				lookbehind: true,
 				greedy: true,
 				inside: insideString