Compare

Description

Performs a case-sensitive comparison of two strings.

Returns

• -1, if string1 is less than string2
• 0, if string1 is equal to string2
• 1, if string1 is greater than string2

Category

String functions

Function syntax

Compare(string1, string2)

See also

CompareNoCase, Find

Parameters

Usage

Compares the values of corresponding characters in string1 and string2.

Example

<h3>Compare Example</h3>
<p>The compare function performs a <I>case-sensitive</I> comparison of two strings.

<cfif IsDefined("FORM.string1")>
 <cfset comparison = Compare(FORM.string1, FORM.string2)>
 <!--- switch on the variable to give various responses --->
 <cfswitch expression = #comparison#>
   <cfcase value = "-1">
      <h3>String 1 is less than String 2</h3>
      <I>The strings are not equal</I>
   </cfcase>
   <cfcase value = "0">
      <h3>String 1 is equal to String 2</h3>
      <I>The strings are equal!</I>
   </cfcase>
   <cfcase value = "1">
      <h3>String 1 is greater than String 2</h3>
      <I>The strings are not equal</I>
   </cfcase>
   <CFDEFAULTCASE>
      <h3>This is the default case</h3>
   </CFDEFAULTCASE>
   </cfswitch>
</cfif>
<form action = "compare.cfm" method="post">
<p>String 1
<br><input type = "Text" name = "string1">
<p>String 2
<br><input type = "Text" name = "string2">
<p><input type = "Submit" value = "Compare these Strings" name = "">
   <input type = "RESET">
</form>

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