RemoveValue( theList ; value )
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Vaughan Bromfield, Vaughan Bromfield Design
mailto:vbromfield@optusnet.com.au
Removes the first value from a paragraph delimited list but leaves all other duplicate values in the list.
Sample Input:
| RemoveValue("a¶b¶a¶c¶b¶c" ; "b" ) |
|
Sample Output:
|
Description:
RemoveValue( theList ; value )
by Vaughan Bromfield
Removes the first value from a paragraph delimited list but leaves all other duplicate values in the list. If the value is not in the list, the list is returned without modification.
Let(
[
newlist = "¶" & Substitute( theList ; "¶" ; "¶¶" ) & "¶" ;
pos = Position( newList ; "¶" & value & "¶" ; 1 ; 1 ) ;
pre = Left( newList ; pos - 1 ) ;
post = Right( newList ; Length( newList ) - ( pos + Length( value ) + 1 ) )
] ;
Case(
IsEmpty( theList ) ; "" ;
pos = 0 ; theList ;
Middle( Substitute( pre & post ; "¶¶" ; "¶" ) ; 2 ; Length( Substitute( pre & post ; "¶¶" ; "¶" ) ) - 2 )
)
)
Note: these functions are not guaranteed
or supported by BrianDunning.com. Please contact the individual
developer with any questions or problems.
This is my Custom Function and I want to
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