PATTERN = "^[([config,color-stop,([color-hint,color-stop]|color-stop)]|color-stop),~([color-hint,color-stop]|color-stop)]."

Full Gradiente DSL pattern.

BEGIN = "^"

Pattern starts here.

SEQUENCE = "["

Ordered list of expressions.

GROUP = "("

Grouped expression or alternatives.

SEQUENCE = "["

Ordered list of expressions.

CONFIG = "config"

Gradient configuration input.

SEPARATOR = ","

Separates sequence items.

COLOR STOP = "color-stop"

Gradient color stop input.

SEPARATOR = ","

Separates sequence items.

GROUP = "("

Grouped expression or alternatives.

SEQUENCE = "["

Ordered list of expressions.

COLOR HINT = "color-hint"

Interpolation hint between color stops.

SEPARATOR = ","

Separates sequence items.

COLOR STOP = "color-stop"

Gradient color stop input.

SEQUENCE CLOSE = "]"

Closes the current sequence.

OR = "|"

Splits the current group into alternative branches.

COLOR STOP = "color-stop"

Gradient color stop input.

GROUP CLOSE = ")"

Closes the current group.

SEQUENCE CLOSE = "]"

Closes the current sequence.

OR = "|"

Splits the current group into alternative branches.

COLOR STOP = "color-stop"

Gradient color stop input.

GROUP CLOSE = ")"

Closes the current group.

SEPARATOR = ","

Separates sequence items.

REPEAT = "~"

Repeats the next expression zero or more times.

GROUP = "("

Grouped expression or alternatives.

SEQUENCE = "["

Ordered list of expressions.

COLOR HINT = "color-hint"

Interpolation hint between color stops.

SEPARATOR = ","

Separates sequence items.

COLOR STOP = "color-stop"

Gradient color stop input.

SEQUENCE CLOSE = "]"

Closes the current sequence.

OR = "|"

Splits the current group into alternative branches.

COLOR STOP = "color-stop"

Gradient color stop input.

GROUP CLOSE = ")"

Closes the current group.

SEQUENCE CLOSE = "]"

Closes the current sequence.

END = "."

Pattern ends here.

Explain pattern

Pattern
  BEGIN "^" - Pattern starts here.
  SEQUENCE "[" - Ordered list of expressions.
    GROUP "(" - Grouped expression or alternatives.
      SEQUENCE "[" - Ordered list of expressions.
        CONFIG "config" - Gradient configuration input.
        SEPARATOR "," - Separates sequence items.
        COLOR STOP "color-stop" - Gradient color stop input.
        SEPARATOR "," - Separates sequence items.
        GROUP "(" - Grouped expression or alternatives.
          SEQUENCE "[" - Ordered list of expressions.
            COLOR HINT "color-hint" - Interpolation hint between color stops.
            SEPARATOR "," - Separates sequence items.
            COLOR STOP "color-stop" - Gradient color stop input.
          SEQUENCE CLOSE "]" - Closes the current sequence.
          OR "|" - Splits the current group into alternative branches.
          COLOR STOP "color-stop" - Gradient color stop input.
        GROUP CLOSE ")" - Closes the current group.
      SEQUENCE CLOSE "]" - Closes the current sequence.
      OR "|" - Splits the current group into alternative branches.
      COLOR STOP "color-stop" - Gradient color stop input.
    GROUP CLOSE ")" - Closes the current group.
    SEPARATOR "," - Separates sequence items.
    REPEAT "~" - Repeats the next expression zero or more times.
    GROUP "(" - Grouped expression or alternatives.
      SEQUENCE "[" - Ordered list of expressions.
        COLOR HINT "color-hint" - Interpolation hint between color stops.
        SEPARATOR "," - Separates sequence items.
        COLOR STOP "color-stop" - Gradient color stop input.
      SEQUENCE CLOSE "]" - Closes the current sequence.
      OR "|" - Splits the current group into alternative branches.
      COLOR STOP "color-stop" - Gradient color stop input.
    GROUP CLOSE ")" - Closes the current group.
  SEQUENCE CLOSE "]" - Closes the current sequence.
  END "." - Pattern ends here.