source: node_modules/prismjs/components/prism-smalltalk.js

Prism.languages.smalltalk = {
        'comment': {
                pattern: /"(?:""|[^"])*"/,
                greedy: true
        },
        'char': {
                pattern: /\$./,
                greedy: true
        },
        'string': {
                pattern: /'(?:''|[^'])*'/,
                greedy: true
        },
        'symbol': /#[\da-z]+|#(?:-|([+\/\\*~<>=@%|&?!])\1?)|#(?=\()/i,
        'block-arguments': {
                pattern: /(\[\s*):[^\[|]*\|/,
                lookbehind: true,
                inside: {
                        'variable': /:[\da-z]+/i,
                        'punctuation': /\|/
                }
        },
        'temporary-variables': {
                pattern: /\|[^|]+\|/,
                inside: {
                        'variable': /[\da-z]+/i,
                        'punctuation': /\|/
                }
        },
        'keyword': /\b(?:new|nil|self|super)\b/,
        'boolean': /\b(?:false|true)\b/,
        'number': [
                /\d+r-?[\dA-Z]+(?:\.[\dA-Z]+)?(?:e-?\d+)?/,
                /\b\d+(?:\.\d+)?(?:e-?\d+)?/
        ],
        'operator': /[<=]=?|:=|~[~=]|\/\/?|\\\\|>[>=]?|[!^+\-*&|,@]/,
        'punctuation': /[.;:?\[\](){}]/
};