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Railroad / syntax diagram templates

Railroad — CSV (RFC 4180)

Records, fields, and quoted fields with escaped double quotes.

Railroad / syntax diagramData & SchemaRailroad / syntax diagram syntax docs
Template previewRailroad / syntax diagram
file ::=recordnewlinerecordnewlinerecord ::=field,fieldfield ::=quotedunquotedquoted ::="textdata,newline"""unquoted ::=textdata

Make it your own.

file    ::= record { newline record } [ newline ]
record  ::= field { "," field }
field   ::= quoted | unquoted
quoted  ::= '"' { textdata | "," | newline | '""' } '"'
unquoted ::= { textdata }