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Developing ColdFusion MX Applications with CFML Previous Up One Level Next
Elements of CFML


Special characters

The double quotation marks ("), single quotation mark ('), and pound sign (#) characters have special meaning to ColdFusion. To include any of them in a string, double the character; for example, use ## to represent a single # character.

The need to escape the single- and double-quotation marks is context-sensitive. Inside a double-quoted string, you do not need to escape single-quote (apostrophe) characters. Inside a single-quoted string, you do not escape double-quote characters.

The following example illustrates escaping special characters, including the use of mixed single and double quotes. 

<cfset mystring = "We all said ""For He's a jolly good fellow.""">

<cfset mystring2 = 'Then we said "For She''s a jolly good fellow".'>
<cfoutput>
  #mystring#<br>
  #mystring2#<br>
  Here is a pound sign: ##
</cfoutput>

The output looks like this: 

We all said "For He's a jolly good fellow."

Then we said "For She's a jolly good fellow."
Here is a pound sign: #
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Henweigh99 said on Jun 22, 2005 at 11:42 AM :
Sometimes when you have a web form, you don't have control over who is entering data - thus they may not know to escape things like quotes. It might be nice in this livedoc to explain how to use a ColdFusion function to correctly escape special characters once the form has been submitted.

David Levin <a href="http://www.angrysam.com">www.angrysam.com</a>

 

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