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text substr(text, index, length)

Returns the text starting at index for length number of characters.


  1. text — text to get sub-part of.
  2. index — starting index from 0 to length of string. A negative number is treated as from the end.
  3. length — optional number of characters to extract, default is remaining characters until end of text.


  • the extracted part of text, starting at index for length character.
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