JSON: Regexp optimisation + don't use captures if not needed

Author: Golmote

components/prism-json.js

@@ -1,14 +1,14 @@
 Prism.languages.json = {
-	'property': /"(?:\\.|[^\\"])*"(?=\s*:)/ig,
+	'property': /"(?:\\.|[^\\"\r\n])*"(?=\s*:)/i,
 	'string': {
-		pattern: /"(?:\\.|[^\\"])*"(?!:)/g,
+		pattern: /"(?:\\.|[^\\"\r\n])*"(?!\s*:)/,
 		greedy: true
 	},
-	'number': /\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee][+-]?\d+)?)\b/g,
-	'punctuation': /[{}[\]);,]/g,
+	'number': /\b-?(?:0x[\dA-Fa-f]+|\d*\.?\d+(?:[Ee][+-]?\d+)?)\b/,
+	'punctuation': /[{}[\]);,]/,
 	'operator': /:/g,
-	'boolean': /\b(true|false)\b/gi,
-	'null': /\bnull\b/gi
+	'boolean': /\b(?:true|false)\b/i,
+	'null': /\bnull\b/i
 };
 
 Prism.languages.jsonp = Prism.languages.json;