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Function Returning Character Position Within String

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Question:
Is there a function in Informix equivalent to Oracle’s instr() that returns the position of a character within a string? Also, is there a function that counts the number of times a given character repeats within a string?

Answer:
Neither of these Oracle-specific functions are SQL-92 compliant. Informix does not have them. You may be able to create a workaround by using a combination of the TRIM and LENGTH expressions.

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