diff --git a/components/prism-processing.js b/components/prism-processing.js
index e901ce2e62..b252764e71 100644
--- a/components/prism-processing.js
+++ b/components/prism-processing.js
@@ -6,13 +6,13 @@ Prism.languages.insertBefore('processing', 'number', {
 	// Special case: XML is a type
 	'constant': /\b(?!XML\b)[A-Z][A-Z\d_]+\b/,
 	'type': {
-		pattern: /\b(?:boolean|byte|char|color|double|float|int|XML|[A-Z][A-Za-z\d_]*)\b/,
+		pattern: /\b(?:boolean|byte|char|color|double|float|int|XML|[A-Z]\w*)\b/,
 		alias: 'variable'
 	}
 });
 
 // Spaces are allowed between function name and parenthesis
-Prism.languages.processing['function'].pattern = /[a-z0-9_]+(?=\s*\()/i;
+Prism.languages.processing['function'].pattern = /\w+(?=\s*\()/;
 
 // Class-names is not styled by default
 Prism.languages.processing['class-name'].alias = 'variable';
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diff --git a/components/prism-processing.min.js b/components/prism-processing.min.js
index 4e44db3328..4736b30eb7 100644
--- a/components/prism-processing.min.js
+++ b/components/prism-processing.min.js
@@ -1 +1 @@
-Prism.languages.processing=Prism.languages.extend("clike",{keyword:/\b(?:break|catch|case|class|continue|default|else|extends|final|for|if|implements|import|new|null|private|public|return|static|super|switch|this|try|void|while)\b/,operator:/<[<=]?|>[>=]?|&&?|\|\|?|[%?]|[!=+\-*\/]=?/}),Prism.languages.insertBefore("processing","number",{constant:/\b(?!XML\b)[A-Z][A-Z\d_]+\b/,type:{pattern:/\b(?:boolean|byte|char|color|double|float|int|XML|[A-Z][A-Za-z\d_]*)\b/,alias:"variable"}}),Prism.languages.processing["function"].pattern=/[a-z0-9_]+(?=\s*\()/i,Prism.languages.processing["class-name"].alias="variable";
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+Prism.languages.processing=Prism.languages.extend("clike",{keyword:/\b(?:break|catch|case|class|continue|default|else|extends|final|for|if|implements|import|new|null|private|public|return|static|super|switch|this|try|void|while)\b/,operator:/<[<=]?|>[>=]?|&&?|\|\|?|[%?]|[!=+\-*\/]=?/}),Prism.languages.insertBefore("processing","number",{constant:/\b(?!XML\b)[A-Z][A-Z\d_]+\b/,type:{pattern:/\b(?:boolean|byte|char|color|double|float|int|XML|[A-Z]\w*)\b/,alias:"variable"}}),Prism.languages.processing["function"].pattern=/\w+(?=\s*\()/,Prism.languages.processing["class-name"].alias="variable";
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