Macromedia coldfusion 4.5-cfml language reference User Manual
Chapter 2: ColdFusion Functions
465
Mid
Returns count characters from string beginning at start position.
See also
Left
,
Len
, and
Right
.
Syntax
Mid(
string, start, count)
string
Any string.
start
Starting position for count.
count
Number of characters being returned.
Examples
<!--- This example shows the use of Mid --->
<HTML>
<HEAD>
<TITLE>
Mid Example
</TITLE>
</HEAD>
<HTML>
<HEAD>
<TITLE>
Mid Example
</TITLE>
</HEAD>
<BODY BGCOLOR=silver>
<H3>Mid Example</H3>
<H3>Mid Example</H3>
<CFIF IsDefined("Form.MyText")>
<!--- if len is 0, then err --->
<!--- 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>
middle characters of this string because it is not long enough
<CFELSE>
<P>Your string <CFOUTPUT>#FORM.myText#</cFOUTPUT>
only has <CFOUTPUT>#Len(FORM.myText)#</cFOUTPUT>
characters. You cannot output the <CFOUTPUT>#FORM.removeChars#
</CFOUTPUT>
middle 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> middle characters:
<CFOUTPUT>#Mid(Form.myText, FORM.removeChars,
Form.countChars)#</CFOUTPUT>
</CFIF>
<P>Your changed string, showing only the
<CFOUTPUT>#FORM.removeChars#</CFOUTPUT> middle characters:
<CFOUTPUT>#Mid(Form.myText, FORM.removeChars,
Form.countChars)#</CFOUTPUT>
</CFIF>
...