Smarty: Regexp optimisation and simplification

Author: Golmote

components/prism-smarty.js

@@ -18,7 +18,7 @@
 					pattern: /^\{|\}$/i,
 					alias: 'punctuation'
 				},
-				'string': /(["'])(?:\\?.)*?\1/,
+				'string': /(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,
 				'number': /\b-?(?:0x[\dA-Fa-f]+|\d*\.?\d+(?:[Ee][-+]?\d+)?)\b/,
 				'variable': [
 					/\$(?!\d)\w+/,
@@ -52,7 +52,7 @@
 					}
 				},
 				'punctuation': [
-					/[\[\]().,:`]|\->/
+					/[\[\]().,:`]|->/
 				],
 				'operator': [
 					/[+\-*\/%]|==?=?|[!<>]=?|&&|\|\|?/,