• *AVERAGE Function
• *COUNT Function
• *counter Function
• *FOR_EACH Function
• *LINE_INSERT Function
• *LINE_REMOVE Function
• *LINE_REPLACE Function
• *MAX Function
• *MIN Function
• *PATTERN_EXTRACT Function
• *PATTERN_LOOKUP Function
• *PATTERN_LOOKUPI Function
• *REMOVE_DUPLICATES Function
• *REMOVE_DUPLICATESI Function
• *REVERSE_WORDS Function
• *TOTAL Function
• *WORD Function
• *WORD_INSERT Function
• *WORD_REMOVE Function
• *WORD_REPLACE Function
• *WORDI Function
• a5_arguments_dbflist Function
• a5_autocomplete_list Function
• a5_define_parameters Function
• a5_get_parameters Function
• a5_get_writeable_drives Function
• a5_getaddinsinstalled Function
• a5_progresslist Function
• a5_window_list Function
• COMMA_TO_CRLF Function
• COMMA_TO_CRLF2 Function
• COUNTRIESOFWORLD Function
• 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
• REGION_FROM_AREACODE Function
• REMOVE_BLANK_LINES Function
• SortList_On_ReferenceList Function
• TAGGED_PATTERN Function
• UniqueNameGet Function
• WORD_CHANGE Function
• WORD_DUPLICATES Function
• WORD_EVALUATE Function
• WORD_EXISTS Function
• WORD_EXISTS_C Function
• WORD_i Function
• WORD_MOVE Function
• WORD_NUM Function
• WORD_NUMBER_GET Function
• WORD_REMOVE Function
• WORD_REPLACE Function
• WORD_SUBTRACT Function
• WORD_SUBTRACTC Function
• WORD_TAGGED_PATTERN Function

IS_ONE_OF Function

Syntax

Arguments

Result_Flag

.T. = Indicates that the Expression is a member of the List_of_Values. .F. = Indicates that Expression was not found.

expression

The line of text data to find in the List_of_Values.

list_of_values

A CR-LF delimited list of values.

Description

Returns .t. if a value is contained in a crlf delimited list of values

Discussion

The IS_ONE_OF() function determines whether a text string is a member of a list.

Example

dim str as C
str = <<%a%
a
b
c
d
e
%a%
? is_one_of("c", str)
= .T.

See Also

• Character Search Functions
• List Processing Functions