diff --git a/components/prism-objectivec.js b/components/prism-objectivec.js
index 5f5db4bc26..2a205bd3c8 100644
--- a/components/prism-objectivec.js
+++ b/components/prism-objectivec.js
@@ -1,5 +1,5 @@
 Prism.languages.objectivec = Prism.languages.extend('c', {
-	'keyword': /(\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while|in|self|super)\b)|((?=[\w|@])(@interface|@end|@implementation|@protocol|@class|@public|@protected|@private|@property|@try|@catch|@finally|@throw|@synthesize|@dynamic|@selector)\b)/,
-	'string': /(?:("|')([^\n\\\1]|\\.|\\\r*\n)*?\1)|(@"([^\n\\"]|\\.|\\\r*\n)*?")/,
-	'operator': /[-+]{1,2}|!=?|<{1,2}=?|>{1,2}=?|\->|={1,2}|\^|~|%|&{1,2}|\|?\||\?|\*|\/|@/
+	'keyword': /\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while|in|self|super)\b|(@interface|@end|@implementation|@protocol|@class|@public|@protected|@private|@property|@try|@catch|@finally|@throw|@synthesize|@dynamic|@selector)\b/,
+	'string': /("|')(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|@"(\\(?:\r\n|[\s\S])|[^"\\\r\n])*"/,
+	'operator': /[+=&|]{1,2}|!=?|<<?=?|>>?=?|\-[->]?|[~^%?*\/@]/
 });
diff --git a/components/prism-objectivec.min.js b/components/prism-objectivec.min.js
index 0bf208ce2d..a826f9adc8 100644
--- a/components/prism-objectivec.min.js
+++ b/components/prism-objectivec.min.js
@@ -1 +1 @@
-Prism.languages.objectivec=Prism.languages.extend("c",{keyword:/(\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while|in|self|super)\b)|((?=[\w|@])(@interface|@end|@implementation|@protocol|@class|@public|@protected|@private|@property|@try|@catch|@finally|@throw|@synthesize|@dynamic|@selector)\b)/,string:/(?:("|')([^\n\\\1]|\\.|\\\r*\n)*?\1)|(@"([^\n\\"]|\\.|\\\r*\n)*?")/,operator:/[-+]{1,2}|!=?|<{1,2}=?|>{1,2}=?|\->|={1,2}|\^|~|%|&{1,2}|\|?\||\?|\*|\/|@/});
\ No newline at end of file
+Prism.languages.objectivec=Prism.languages.extend("c",{keyword:/\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while|in|self|super)\b|(@interface|@end|@implementation|@protocol|@class|@public|@protected|@private|@property|@try|@catch|@finally|@throw|@synthesize|@dynamic|@selector)\b/,string:/("|')(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|@"(\\(?:\r\n|[\s\S])|[^"\\\r\n])*"/,operator:/[+=&|]{1,2}|!=?|<<?=?|>>?=?|\-[->]?|[~^%?*\/@]/});
\ No newline at end of file