regx

regx.js

var lex = 
{
    InputElementDiv:"<WhiteSpace>|<LineTerminator>|<Comment>|<ReservedWord>|<Identifier>|<NumericLiteral>|<Punctuator>|<StringLiteral>|<DivPunctuator>", 
    InputElementRegExp:"<WhiteSpace>|<LineTerminator>|<Comment>|<ReservedWord>|<Identifier>|<NumericLiteral>|<Punctuator>|<RegularExpressionLiteral>|<StringLiteral>", 
    ReservedWord:"<Keyword>|<FutureReservedWord>|<NullLiteral>|<BooleanLiteral>", 
    WhiteSpace:/[\t\v\f\u0020\u00A0\u1680\u180E\u2000-\u200A\u202F\u205f\u3000\uFEFF]/, 
    LineTerminator:/[\n\r\u2028\u2029]/, 
    Comment:"<SingleLineComment>|<MultiLineComment>", 
    SingleLineComment:/\/\/[^\n\r\u2028\u2029]*/, 
    MultiLineComment:/\/\*(?:[^*]|\*[^\/])*\*?\*\//, 
    Keyword:/break(?![_$a-zA-Z0-9])|else(?![_$a-zA-Z0-9])|new(?![_$a-zA-Z0-9])|var(?![_$a-zA-Z0-9])|case(?![_$a-zA-Z0-9])|finally(?![_$a-zA-Z0-9])|return(?![_$a-zA-Z0-9])|void(?![_$a-zA-Z0-9])|catch(?![_$a-zA-Z0-9])|for(?![_$a-zA-Z0-9])|switch(?![_$a-zA-Z0-9])|while(?![_$a-zA-Z0-9])|continue(?![_$a-zA-Z0-9])|function(?![_$a-zA-Z0-9])|this(?![_$a-zA-Z0-9])|with(?![_$a-zA-Z0-9])|default(?![_$a-zA-Z0-9])|if(?![_$a-zA-Z0-9])|throw(?![_$a-zA-Z0-9])|delete(?![_$a-zA-Z0-9])|in(?![_$a-zA-Z0-9])|try(?![_$a-zA-Z0-9])|do(?![_$a-zA-Z0-9])|instanceof(?![_$a-zA-Z0-9])|typeof(?![_$a-zA-Z0-9])/, 
    FutureReservedWord:/abstract(?![_$a-zA-Z0-9])|enum(?![_$a-zA-Z0-9])|int(?![_$a-zA-Z0-9])|short(?![_$a-zA-Z0-9])|boolean(?![_$a-zA-Z0-9])|export(?![_$a-zA-Z0-9])|interface(?![_$a-zA-Z0-9])|static(?![_$a-zA-Z0-9])|byte(?![_$a-zA-Z0-9])|extends(?![_$a-zA-Z0-9])|long(?![_$a-zA-Z0-9])|super(?![_$a-zA-Z0-9])|char(?![_$a-zA-Z0-9])|final(?![_$a-zA-Z0-9])|native(?![_$a-zA-Z0-9])|synchronized(?![_$a-zA-Z0-9])|class(?![_$a-zA-Z0-9])|float(?![_$a-zA-Z0-9])|package(?![_$a-zA-Z0-9])|throws(?![_$a-zA-Z0-9])|const(?![_$a-zA-Z0-9])|goto|(?![_$a-zA-Z0-9])private(?![_$a-zA-Z0-9])|transient(?![_$a-zA-Z0-9])|debugger(?![_$a-zA-Z0-9])|implements(?![_$a-zA-Z0-9])|(?![_$a-zA-Z0-9])protected(?![_$a-zA-Z0-9])|volatile(?![_$a-zA-Z0-9])|double(?![_$a-zA-Z0-9])|import(?![_$a-zA-Z0-9])|public(?![_$a-zA-Z0-9])/, 
    NullLiteral:/null(?![_$a-zA-Z0-9])/,
    BooleanLiteral:/(?:true|false)(?![_$a-zA-Z0-9])/, 
    Identifier:/[_$a-zA-Z][_$a-zA-Z0-9]*/, 
    Punctuator:/>>>=|>>=|<<=|===|!==|>>>|<<|%=|\*=|-=|\+=|<=|>=|==|!=|\^=|\|=|\|\||&&|&=|>>|\+\+|--|\:|}|\*|&|\||\^|!|~|-|\+|\?|%|=|>|<|,|;|\.(?![0-9])|\]|\[|\)|\(|{/, 
    DivPunctuator:/\/=|\//, 
    NumericLiteral:/(?:0[xX][0-9a-fA-F]*|\.[0-9]+|(?:[1-9]+[0-9]*|0)(?:\.[0-9]*|\.)?)(?:[eE][+-]{0,1}[0-9]+)?(?![_$a-zA-Z0-9])/, 
    StringLiteral:/"(?:[^"\n\\\r\u2028\u2029]|\\(?:['"\\bfnrtv\n\r\u2028\u2029]|\r\n)|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\[^0-9ux'"\\bfnrtv\n\\\r\u2028\u2029])*"|'(?:[^'\n\\\r\u2028\u2029]|\\(?:['"\\bfnrtv\n\r\u2028\u2029]|\r\n)|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\[^0-9ux'"\\bfnrtv\n\\\r\u2028\u2029])*'/, RegularExpressionLiteral:/\/(?:\[(?:\\[\s\S]|[^\]])*\]|[^*\/\\\n\r\u2028\u2029]|\\[^\n\r\u2028\u2029])(?:\[(?:\\[\s\S]|[^\]])*\]|[^\/\\\n\r\u2028\u2029]|\\[^\n\r\u2028\u2029])*\/[0-9a-zA-Z]*/
};