Groovy: Revert last change: don't allow for multi-line slashy strings…

…, because it will mess up with division operator

+ Improved operators regex

components/prism-groovy.js

@@ -1,9 +1,9 @@
 Prism.languages.groovy = Prism.languages.extend('clike', {
 	'keyword': /\b(as|def|in|abstract|assert|boolean|break|byte|case|catch|char|class|const|continue|default|do|double|else|enum|extends|final|finally|float|for|goto|if|implements|import|instanceof|int|interface|long|native|new|package|private|protected|public|return|short|static|strictfp|super|switch|synchronized|this|throw|throws|trait|transient|try|void|volatile|while)\b/,
-	'string': /("""|''')[\W\w]*?\1|("|')(?:\\?.)*?\2|\/(?:\\\/|\\?[^\/])+\/|\$\/(\$\/\$|[\W\w])*?\/\$/,
-	'number': /\b0b[01_]+\b|\b0x[\da-f_]+(\.[\da-f_p\-]+)?\b|\b[\d_]+(\.[\d_]+[e]?[\d]*)?[glidf]\b|[\d_]+(\.[\d_]+)?\b/i,
+	'string': /("""|''')[\W\w]*?\1|("|'|\/)(?:\\?.)*?\2|(\$\/)(\$\/\$|[\W\w])*?\/\$/,
+	'number': /\b(?:0b[01_]+|0x[\da-f_]+(?:\.[\da-f_p\-]+)?|[\d_]+(?:\.[\d_]+)?(?:e[+-]?[\d]+)?)[glidf]?\b/i,
 	'operator': {
-		pattern: /(^|[^.])(={0,2}~|\?\.|\*?\.@|\.&|\.{1,2}(?!\.)|\.{2}<?(?=\w)|->|\?:|[-+]{1,2}|!|<=>|>{1,3}|<{1,2}|={1,2}|&{1,2}|\|{1,2}|\?|\*{1,2}|\/|\^|%)/,
+		pattern: /(^|[^.])(~|==?~?|\?[.:]?|\*(?:[.=]|\*=?)?|\.[@&]|\.\.<|\.{1,2}(?!\.)|-[-=>]?|\+[+=]?|!=?|<(?:<=?|=>?)?|>(?:>>?=?|=)?|&[&=]?|\|[|=]?|\/=?|\^=?|%=?)/,
 		lookbehind: true
 	},
 	'punctuation': /\.+|[{}[\];(),:$]/