AMPscript String Functions

Use the AMPscript string functions to display and manipulate strings.

This table lists all of the AMPscript functions related to modifying strings. The value in the Engagement column indicates whether Marketing Cloud Engagement supports the function. The value in the Next column indicates whether Marketing Cloud Next supports the function.

Function Name	Description	Engagement	Next
Char()	Returns a character when passed an ASCII character code.	✅ Yes	❌ No
Concat()	Concatenates strings of text.	✅ Yes	✅ Yes
Format()	Formats a string in the specified format.	✅ Yes	✅ Yes
IndexOf()	Returns the position at which a substring occurs within a string.	✅ Yes	✅ Yes
Length()	Returns the number of characters in a string.	✅ Yes	✅ Yes
Lowercase()	Returns the provided string using only lowercase letters.	✅ Yes	✅ Yes
ProperCase()	Returns specified string with the first letter of each word capitalized.	✅ Yes	✅ Yes
RegExMatch()	Searches for a pattern in a string using a regular expression.	✅ Yes	❌ No
Replace()	Replaces every occurrence of one substring with a different substring.	✅ Yes	✅ Yes
ReplaceList()	Replaces one or more substrings with another string.	✅ Yes	✅ Yes
StringToHex()	Converts each character in a string to its hexadecimal equivalent.	✅ Yes	❌ No
Substring()	Returns a portion of a string, beginning at a specified character position.	✅ Yes	✅ Yes
Trim()	Removes white space from the beginning and end of a string.	✅ Yes	✅ Yes
Uppercase()	Returns the provided string using only uppercase letters.	✅ Yes	✅ Yes