String variables are variables that hold zero or more text characters. This tutorial demonstrates their main properties by running simple examples on a test data file.

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Working with string variables in SPSS is pretty straightforward if one masters some basic string functions. This tutorial will quickly walk you through the most important ones.
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In this tutorial, we'll show a quick and simple way to extract leading digits from a string variable.

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The SPSS INDEX function returns the position of the first occurrence of a given expression within a string. If this expression does not occur in the string, it returns a zero.
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SPSS LTRIM removes leading spaces from string values. These occur especially when converting numbers to strings by using the string function.
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SPSS REPLACE replaces a substring in a string by a different (possibly empty) substring.
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SPSS Rtrim is sometimes needed for removing trailing spaces when concatenating strings. This tutorial shows some complications that may occur when it's omitted.
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