INSTR Function Syntax | VantageCloud Lake - INSTR Function Syntax - Teradata Vantage

Teradata® VantageCloud Lake
Deployment
VantageCloud
Edition
Lake
Product
Teradata Vantage
Published
January 2023
ft:locale
en-US
ft:lastEdition
2024-12-11
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phg1621910019905
[TD_SYSFNLIB.] INSTR (
  source_string,
  search_string
  [, position [, occurrence] ]
)

Syntax Elements

TD_SYSFNLIB.
Name of the database where the function is located.
source_string
A character string or string expression.
search_string
A string of characters that the function searches for in source_string.
position
Specifies that the search begins at this position in source_string.
If position is not specified, the search starts at the beginning of source_string.
If position is negative, the function counts and searches backwards from the end of source_string. position cannot have a value of zero.
occurrence
Specifies which occurrence of search_string to find in source_string.
If occurrence is not specified, the function searches for the first occurrence.
If occurrence is greater than 1, the function searches for additional occurrences beginning with the second character in the previous occurrence. occurrence cannot be zero or a negative value.