Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

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Develop > Programming Guide > System Language reference > List: RAD functions > RAD function: strdel

RAD function: strdel

A RAD function that deletes a number of characters from a specific location in a string.

Function

strdel

Format

$L.void=strdel($string, $index, $number)

Parameters

The following parameters are valid for the strdel function:

Parameter	Data type	Description
$L.void=	Not applicable.	A syntax requirement only, does not affect the outcome of the function.
$string	String	The string being modified.
$index	Number	The location in `$string` from which characters are to be deleted.
$number	Number	The number of characters to delete from `$string`.

Example

$string="Hewlett-Packard"
$index=6
$number=8
$L.void=strdel($string, $index, $number)

After execution, the value of $string is Hewletd.