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To check how many sub strings a string contains, you can use the following function:
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The function "SubStr" returns the specified sub string. The first sub string has the index 1.
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The following functions check whether a specified sub string exists. "SubStrExists" checks that case sensitively, "SubTextExists" checks case insensitively.
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The function "FormatSubStrs" deletes all leading and trailing control characters and spaces from each sub string and then removes all empty sub strings:
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