diff --git a/components/prism-c.js b/components/prism-c.js
index f65e54fd1d..de4e13f145 100644
--- a/components/prism-c.js
+++ b/components/prism-c.js
@@ -1,7 +1,7 @@
 Prism.languages.c = Prism.languages.extend('clike', {
 	'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)\b/,
 	'operator': /\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/,
-	'number': /\b-?(0x[\da-f]+|\d*\.?\d+(e[+-]?\d+)?)[fFuUlL]*\b/i
+	'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)[ful]*\b/i
 });
 
 Prism.languages.insertBefore('c', 'string', {
diff --git a/components/prism-c.min.js b/components/prism-c.min.js
index b621206cb3..4392c5cfbc 100644
--- a/components/prism-c.min.js
+++ b/components/prism-c.min.js
@@ -1 +1 @@
-Prism.languages.c=Prism.languages.extend("clike",{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)\b/,operator:/\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/,number:/\b-?(0x[\da-f]+|\d*\.?\d+(e[+-]?\d+)?)[fFuUlL]*\b/i}),Prism.languages.insertBefore("c","string",{macro:{pattern:/(^\s*)#\s*[a-z]+([^\r\n\\]|\\.|\\(?:\r\n?|\n))*/im,lookbehind:!0,alias:"property",inside:{string:{pattern:/(#\s*include\s*)(<.+?>|("|')(\\?.)+?\3)/,lookbehind:!0}}}}),delete Prism.languages.c["class-name"],delete Prism.languages.c["boolean"];
\ No newline at end of file
+Prism.languages.c=Prism.languages.extend("clike",{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)\b/,operator:/\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/,number:/\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)[ful]*\b/i}),Prism.languages.insertBefore("c","string",{macro:{pattern:/(^\s*)#\s*[a-z]+([^\r\n\\]|\\.|\\(?:\r\n?|\n))*/im,lookbehind:!0,alias:"property",inside:{string:{pattern:/(#\s*include\s*)(<.+?>|("|')(\\?.)+?\3)/,lookbehind:!0}}}}),delete Prism.languages.c["class-name"],delete Prism.languages.c["boolean"];
\ No newline at end of file
diff --git a/components/prism-clike.js b/components/prism-clike.js
index 052089e3d5..5745341f7d 100644
--- a/components/prism-clike.js
+++ b/components/prism-clike.js
@@ -20,7 +20,7 @@ Prism.languages.clike = {
 	'keyword': /\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
 	'boolean': /\b(true|false)\b/,
 	'function': /[a-z0-9_]+(?=\()/i,
-	'number': /\b-?(0x[\da-f]+|\d*\.?\d+(e[+-]?\d+)?)\b/i,
+	'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,
 	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
 	'punctuation': /[{}[\];(),.:]/
 };
diff --git a/components/prism-clike.min.js b/components/prism-clike.min.js
index 828c6e7694..b437bab33b 100644
--- a/components/prism-clike.min.js
+++ b/components/prism-clike.min.js
@@ -1 +1 @@
-Prism.languages.clike={comment:[{pattern:/(^|[^\\])\/\*[\w\W]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],string:/("|')(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,"class-name":{pattern:/((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,lookbehind:!0,inside:{punctuation:/(\.|\\)/}},keyword:/\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,"boolean":/\b(true|false)\b/,"function":/[a-z0-9_]+(?=\()/i,number:/\b-?(0x[\da-f]+|\d*\.?\d+(e[+-]?\d+)?)\b/i,operator:/--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,punctuation:/[{}[\];(),.:]/};
\ No newline at end of file
+Prism.languages.clike={comment:[{pattern:/(^|[^\\])\/\*[\w\W]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],string:/("|')(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,"class-name":{pattern:/((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,lookbehind:!0,inside:{punctuation:/(\.|\\)/}},keyword:/\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,"boolean":/\b(true|false)\b/,"function":/[a-z0-9_]+(?=\()/i,number:/\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,operator:/--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,punctuation:/[{}[\];(),.:]/};
\ No newline at end of file
diff --git a/prism.js b/prism.js
index b2e3c47a8d..c5b3de6177 100644
--- a/prism.js
+++ b/prism.js
@@ -574,7 +574,7 @@ Prism.languages.clike = {
 	'keyword': /\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
 	'boolean': /\b(true|false)\b/,
 	'function': /[a-z0-9_]+(?=\()/i,
-	'number': /\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?)\b/,
+	'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,
 	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
 	'punctuation': /[{}[\];(),.:]/
 };
diff --git a/tests/languages/c/number_feature.test b/tests/languages/c/number_feature.test
index e69de29bb2..0542683404 100644
--- a/tests/languages/c/number_feature.test
+++ b/tests/languages/c/number_feature.test
@@ -0,0 +1,35 @@
+42
+3.14159
+4e10
+2.1e-10
+0.4e+2
+0xbabe
+0xBABE
+42f
+42F
+42u
+42U
+42l
+42L
+
+----------------------------------------------------
+
+[
+	["number", "42"],
+	["number", "3.14159"],
+	["number", "4e10"],
+	["number", "2.1e-10"],
+	["number", "0.4e+2"],
+	["number", "0xbabe"],
+	["number", "0xBABE"],
+	["number", "42f"],
+	["number", "42F"],
+	["number", "42u"],
+	["number", "42U"],
+	["number", "42l"],
+	["number", "42L"]
+]
+
+----------------------------------------------------
+
+Checks for decimal numbers and hexadecimal numbers.
\ No newline at end of file
diff --git a/tests/languages/clike/number_feature.test b/tests/languages/clike/number_feature.test
index 002a5c92c2..f6bcc0b662 100644
--- a/tests/languages/clike/number_feature.test
+++ b/tests/languages/clike/number_feature.test
@@ -2,6 +2,7 @@
 3.14159
 4e10
 2.1e-10
+0.4e+2
 0xbabe
 0xBABE
 
@@ -12,6 +13,7 @@
 	["number", "3.14159"],
 	["number", "4e10"],
 	["number", "2.1e-10"],
+	["number", "0.4e+2"],
 	["number", "0xbabe"],
 	["number", "0xBABE"]
 ]