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Prism.languages.erlang = {
'comment': /%.+/,
'string': /"(?:\\?.)*?"/,
'quoted-function': {
pattern: /'(?:\\.|[^'\\])+'(?=\()/,
alias: 'function'
},
'quoted-atom': {
pattern: /'(?:\\.|[^'\\])+'/,
alias: 'atom'
},
'boolean': /\b(?:true|false)\b/,
'keyword': /\b(?:fun|when|case|of|end|if|receive|after|try|catch)\b/,
'number': [
/\$\\?./,
/\d+#[a-z0-9]+/i,
/(?:\b|-)\d*\.?\d+([Ee][+-]?\d+)?\b/
],
'function': /\b[a-z][\w@]*(?=\()/,
'variable': {
// Look-behind is used to prevent wrong highlighting of atoms containing "@"
pattern: /(^|[^@])(?:\b|\?)[A-Z_][\w@]*/,
lookbehind: true
},
'operator': [
/[=\/<>:]=|=[:\/]=|\+\+?|--?|[=*\/!]|\b(?:bnot|div|rem|band|bor|bxor|bsl|bsr|not|and|or|xor|orelse|andalso)\b/,
{
// We don't want to match <<
pattern: /(^|[^<])<(?!<)/,
lookbehind: true
},
{
// We don't want to match >>
pattern: /(^|[^>])>(?!>)/,
lookbehind: true
}
],
'atom': /\b[a-z][\w@]*/,
'punctuation': /[()[\]{}:;,.#|]|<<|>>/
};
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