field(haystack: text, separator: text, index: number) 🡒 text, const pure function

Returns the nth field, zero-indexed from the left, in a text value that contains multiple sub-text values separated by a specified separator.

haystack = "a-b-c-d-"
show summary "" a1c3 with
  field(haystack, "-", 0) // 'a'
  field(haystack, "-", 1) // 'b'
  field(haystack, "-", 2) // 'c'

This function is intended to facilitate parsing values that have been concatenated within a single table column.

See also

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