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DELPHI RTL Reference

LastDelimiter function
Returns the index of the last occurence in a string of the characters cpecified.

LeftStr function
Returns a string containing a specified number of characters from the left side of a string.

Length function
Returns an integer containing the number of characters in a string or the number of elements in an array.

Ln function
Returns the natural logarith of a number.

LogN function
Returns the logarithm of a number for a given base

Low function
Returns the lower limit of an Ordinal, Array, or ShortString value.

LowerCase function
Returns a string that has been converted to lowercase.

more to come...

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