The double-quotation marks ("), single-quotation mark ('), and number 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-quotation mark (apostrophe) characters. Inside a single-quoted string, you do not escape double-quotation mark characters.
The following example illustrates escaping special characters, including the use of mixed single- and double-quotation marks:
<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 number 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 number sign: #