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Instr -- Finds a substring in a longer string
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Strcomp -- Compares two strings
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Asc -- Converts a single character to its ASCII value,
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Chr -- Converts a no. to a character with its ASCII value.
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Val -- Converts a string to a numeric value
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Lcase -- Converts a string to its lower case,
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Ucase -- Converts a string to its upper case.
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Lset -- Left Justifies a string
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Rset -- Right- Justifies a string
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Mid -- Returns a no. of characters from any position .
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Trim -- Removes blanks from the left & right sides of a string.
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Space -- Creates a string containing blank spaces.
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String -- Creates a string containig repeated characters.
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