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Fixes issue #1: accept valid escape sequences in strings #2

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Fixes issue #1: accept valid escape sequences in strings #2

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7 changes: 5 additions & 2 deletions jflex/Scanner.jflex
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Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,11 @@ frac = {dot}{digit}+
scientific_notation = {exp}{digit}+
any_number = {integer}{frac}?{scientific_notation}?

//Accept any unicode character except certain control characters
string = [^(\\)(\")(\/)(\b)(\f)(\n)(\r)(\t)(\u)]+
// Accept zero (empty string) or more valid characters (i.e. any UNICODE
// character except for unescaped quotation marks ("), backslashes (\), or
// control characters /u0000 through to /u001f) or valid escape sequences
string = ([^\u0000-\u001F\"\\]|(\\([\"\\/bfnrt]|(u([0-9a-fA-F]{4})))))*

%%

//Scan for commas, square brackets, braces and colons
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