replaceFirst() | Decadis App Help Center

This function replaces the first substring matching the given regular expression with the given replacement.

Bash

replaceFirst(text, regex, replacement) #Output : Text

Parser expression	Description
Bash `%{replaceFirst("Hello World", "l", "_")}`	This example returns: He_lo World

Parser expression

Description

Bash

%{replaceFirst("Hello World", "l", "_")}

This example returns:

He_lo World

Parameters used in this function

Parameter	Input (data type)	Description
`text`	text	Any given text.
`regex`	text	A valid regular expression that grabs the substring to be replaced.
`replacement`	text	This text will replace the first substring found by the regex.

This function returns a text

If you want to replace all matching occurrences with the replacement, have a look at the replaceAll() function.

Parser expression	Value
Bash `%{replaceFirst("Hello World", "l", "_")}`	He_lo World
Bash `%{replaceAll("Hello World", "l", "_")}`	He__o Wor_d

If you don't want to use a regular expression, have a look at the findReplaceFirst() function.

(books) Use cases and examples

Use case
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