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replaceSpecialChars(textString[, replaceTheseChars][, replaceWithChar])

Last updated January 4, 2012

author

David Long

Version: 1 | Requires: CF6 | Library: StrLib

Description:
Replaces all special characters in a string of code along with spaces. Code can easily be chaged to exclude spaces.

Return Values:
Returns a string.

Example:

<cfset myString = "!Hello_World! This is my ^string^">
<cfset myNewString = replaceSpecialChars(myString)>
<cfoutput>
	"#myString#" now becomes "#myNewString#"
</cfoutput>

Parameters:

Name Description Required
textString String to have special characters replaced Yes
replaceTheseChars Characters to be replaced No
replaceWithChar Character to replace special characters with. Defaults to chr(0). No

Full UDF Source:

<!---
 Replaces all special characters in a string of text.
 
 @param textString 	 String to have special characters replaced (Required)
 @param replaceTheseChars 	 Characters to be replaced (Optional)
 @param replaceWithChar 	 Character to replace special characters with. Defaults to chr(0). (Optional)
 @return Returns a string. 
 @author David Long (dlong@cagedata.com) 
 @version 1, January 4, 2012 
--->
<cffunction name="replaceSpecialChars" access="public" output="false" returntype="String">
	<cfargument name="textString" type="String" hint="String to have special characters replaced">
	<!--- If you would not like to remove spaces take the number 32 out of the list.--->
	<cfargument name="replaceTheseChars" type="String" default="32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,58,59,60,61,62,63,64,91,92,93,94,95,96,123,124,126" required="false" hint="Characters to be replaced">
	<cfargument name="replaceWithChar" type="String" default="#chr(0)#" required="no" hint="Character to replace special characters with.">
	<cfscript>
		var returnString = ARGUMENTS.textString;
		var i = 1;
		
		for(i=1; i <= listLen(ARGUMENTS.replaceTheseChars,','); i++){
			returnString = replace(returnString,chr(listGetAt(ARGUMENTS.replaceTheseChars,i)),ARGUMENTS.replaceWithChar,'all');
		}
	</cfscript>
	
	<cfreturn returnString />
</cffunction>
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