Left
Description
Determines the number of characters from the beginning of the string parameter to the location specified by the count parameter.
Return value
Number; count of characters.
Category
String functions
Syntax
Left(string, count)
See also
Right, Mid, Len
Parameters
| Parameter |
Description |
string
|
A string or a variable that contains one.
|
count
|
A positive integer or a variable that contains one. Number of characters to return.
|
Example
<h3>Left Example</h3>
<cfif IsDefined("Form.MyText")>
<!--- if len is 0, then err --->
<cfif Len(FORM.myText) is not 0>
<cfif Len(FORM.myText) LTE FORM.RemoveChars>
<p>Your string <cfoutput>#FORM.myText#</cfoutput>
only has <cfoutput>#Len(FORM.myText)#</cfoutput>
characters. You cannot output the <cfoutput>#FORM.removeChars#
</cfoutput>
leftmost characters of this string because it is not long enough.
<cfelse>
<p>Your original string: <cfoutput>#FORM.myText#</cfoutput>
<p>Your changed string, showing only the
<cfoutput>#FORM.removeChars#</cfoutput> leftmost characters:
<cfoutput>#Left(Form.myText, FORM.removeChars)#
</cfoutput>
</cfif>
<cfelse>
<p>Please enter a string
</cfif>
</cfif>
Comments
