Docs / String

Substring()

Substring is an AMPscript function in the string category. 1-based start.

Syntax

Substring(str, start, [length])

Example

%%=Substring("AmpSend", 1, 3)=%%
Rendered output
Amp

Output produced by AmpSend's AMPscript engine (validated against Salesforce's own test corpus) - not a hand-written result.

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Official Salesforce documentation

Substring in the official AMPscript reference - or browse the official index of AMPscript functions for platform behavior and edge cases.

Related string functions

ConcatLengthLowercaseUppercaseProperCaseTrimReplaceReplaceListIndexOfCharRegExMatchBuildRowsetFromStringBuildRowsetFromJsonStringToDateStringToHex