| CFML Reference |
|
|
ColdFusion Functions |
|
| CFML Reference |
|
|
ColdFusion Functions |
|
Returns the count of characters from the beginning of a string argument.
Left(string, count)
| Parameter |
Description |
|---|---|
| string |
String from which the leftmost characters are retrieved |
| count |
Positive integer; number of characters to return |
<!--- This example shows the use of Left --->
<html>
<head>
<title>Left Example</title>
</head>
<body bgcolor = silver>
<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>
...
| Copyright © 2001, Macromedia Inc. All rights reserved. |
|