Prism.languages.eiffel = {
'string': [
// Aligned-verbatim-strings (verbatim option not supported)
/"\[(?:[^"%\b\f\v]|%[A-DFHLNQR-V%'"()<>]|%\/(?:0[xX][\da-fA-F](?:_*[\da-fA-F])*|0[cC][0-7](?:_*[0-7])*|0[bB][01](?:_*[01])*|\d(?:_*\d)*)\/)*?]"/g,
// Non-aligned-verbatim-strings (verbatim option not supported)
/"\{(?:[^"%\b\f\v]|%[A-DFHLNQR-V%'"()<>]|%\/(?:0[xX][\da-fA-F](?:_*[\da-fA-F])*|0[cC][0-7](?:_*[0-7])*|0[bB][01](?:_*[01])*|\d(?:_*\d)*)\/)*?}"/g,
// Single-line string
/"(?:[^%\b\f\n\r\v]|%[A-DFHLNQR-V%'"()<>]|%\/(?:0[xX][\da-fA-F](?:_*[\da-fA-F])*|0[cC][0-7](?:_*[0-7])*|0[bB][01](?:_*[01])*|\d(?:_*\d)*)\/)*?"/g
],
// (comments including quoted strings not supported)
'comment': /--.*/,
// normal char | special char | char code
'char': /'(?:[^%\b\f\n\r\t\v]|%[A-DFHLNQR-V%'"()<>]|%\/(?:0[xX][\da-fA-F](?:_*[\da-fA-F])*|0[cC][0-7](?:_*[0-7])*|0[bB][01](?:_*[01])*|\d(?:_*\d)*)\/)'/g,
'keyword': /\b(?:across|agent|alias|all|and|attached|as|assign|attribute|check|class|convert|create|Current|debug|deferred|detachable|do|else|elseif|end|ensure|expanded|export|external|feature|from|frozen|if|implies|inherit|inspect|invariant|like|local|loop|not|note|obsolete|old|once|or|Precursor|redefine|rename|require|rescue|Result|retry|select|separate|some|then|undefine|until|variant|Void|when|xor)\b/gi,
'boolean': /\b(?:True|False)\b/gi,
'number': [
// hexa | octal | bin
/\b0(?:[xX][\da-fA-F](?:_*[\da-fA-F])*|[cC][0-7](?:_*[0-7])*|[bB][01](?:_*[01])*)\b/g,
// Decimal
/(?:\d(?:_*\d)*)?\.(?:(?:\d(?:_*\d)*)?[eE][+-]?)?\d(?:_*\d)*|\d(?:_*\d)*\.?/g,
],
'punctuation': /:=|<<|>>|\(\||\|\)|->|\.(?=\w)|[{}[\];(),:?]/g,
'operator': /\\\\|\|\.\.\||\.\.|\/[~\/]?|[><\/]=?|[-+*^=~]/g
};