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Extracting a substring from a string Hide the details
Part of <Initial string>.Empty string ("") if <Start position> is greater than the length of <Initial string>.EOT if <Start position> and/or <Length> are negative. A WLanguage error occurs (non-fatal error). To get the details of the error, use ErrorInfo.
Character string containing the substring to extract. This string is not modified.
Position of the first character to extract. If <Start position> is null, the extraction starts at the beginning of the string.
Number of characters to extract. If this parameter is not specified or is greater than the number of characters after <Start position>, the string is returned from <Start position>.
Extracting part of a buffer Hide the details
Part of <Initial buffer>.Empty string ("") if <Start position> is greater than the length of <Initial buffer>.EOT if <Start position> and/or <Size> are negative. A WLanguage error occurs (non-fatal error). To get the details of the error, use ErrorInfo.Invalid buffer if <Initial buffer> contains a UNICODE string.
Buffer containing the part to extract. This buffer is not modified.
Position of first byte to extract. If <Start position> is null, the extraction starts at the beginning of the buffer.
Number of bytes to extract. If this parameter is not specified or is greater than the number of characters after <Start position>, the string is returned from <Start position>.
Middle and UNICODE
Miscellaneous
Last update: 11/19/2020
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