• *AVERAGE Function
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• *LINE_INSERT Function
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• *PATTERN_EXTRACT Function
• *PATTERN_LOOKUP Function
• *PATTERN_LOOKUPI Function
• *REMOVE_DUPLICATES Function
• *REMOVE_DUPLICATESI Function
• *REVERSE_WORDS Function
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• *WORD Function
• *WORD_INSERT Function
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• *WORDI Function
• a5_arguments_dbflist Function
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• COMMA_TO_CRLF Function
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• COUNTRYLOOKUP Function
• CRLF_TO_COMMA Function
• CSTATE Function
• CSTATE_ABREVLOOKUP Function
• CSTATES Function
• EXTRACT_ALL_STRINGS Function
• FILTER_STRING_MULTI Function
• FILTER_STRING_SMATCH Function
• FILTER_STRINGC Function
• INLIST2 Function
• inlistn Function
• IS_ONE_OF Function
• keylist_filtered_build Function
• POS_FROM_WORD_NUMBER Function
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• WORD_NUMBER_GET Function
• WORD_REMOVE Function
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• WORD_SUBTRACT Function
• WORD_SUBTRACTC Function
• WORD_TAGGED_PATTERN Function

FILTER_STRING_MULTI Function

Syntax

Arguments

Output_List

All elements of Input_List that either include or do not include all elements found in the Filter_List.

string

The list to examine.

sub_strings

The list of elements that must be found or not found in Input_List.

delimiter

Optional. Default = CR-LF. The delimiter between elements in the Input_List and Filter_List.

exclude

Logical. Optional. Default = .F. .T. = Return Input_List items that do not include elements of Filter_List. .F. = Return Input_List items that include elements of Filter_List.

Description

Filter in/out words that contain any case insensitive words in delimiter delimited sub_strings from a list, default delimiter is CR-LF.

Discussion

Takes an Input_List that is divided into logical "records" by a Delimiter and either extracts or excludes the "records" that contain one or more filter elements anywhere within each "record" in the string. Used to extract a list from a larger text file. The FILTER_STRING_MULTI() function returns all elements of an Input_List that either include or do not include all elements found in the Filter_List.

Example

inlist = <<%a%
Alpha Software
The Alpha Project
Project Alpha
%a%
outlist = <<%b%
the
software
%b%
? filter_string_multi(inlist, outlist, crlf() , .f.)
= The Alpha Project
Alpha Software
? filter_string_multi(inlist, outlist, crlf() , .t.)
= Project Alpha

See Also

• Character Search Functions
• List Processing Functions