nano/syntax/json.nanorc

## Syntax highlighting for JSON files.

## Original author:  Aapo Rantalainen
## License:  GPL version 3 or newer

syntax json "\.json$"
# No comments are permitted in JSON.
comment ""

# Numbers (used as value).
color green ":[[:space:]]*\-?(0|[1-9][0-9]*)(\.[0-9]+)?([Ee]?[-+]?[0-9]+)?"
# Values (well, any string).
color brightmagenta "\".+\""
# Hex numbers (used as value).
color green ":[[:space:]]*\"#[0-9abcdefABCDEF]+\""
# Escapes.
color green "\\\\" "\\\"" "\\[bfnrt]" "\\u[0-9abcdefABCDEF]{4})"
# Special words.
color green "\<(true|false|null)\>"

# Names (very unlikely to contain a quote).
color brightblue "\"[^"]+\"[[:space:]]*:"

# Brackets, braces, and separators.
color brightblue "\[" "\]"
color brightred "\{" "\}"
color brightred "," ":"

# Comments.
color cyan "(^|[[:space:]]+)(//|#).*"

# Trailing whitespace.
color ,green "[[:space:]]+$"