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

Examples

Parser expression	Description
Bash `replaceFirst("Hello World", "l", "_")`	This example returns the following text : `"He_lo World"`

Additional information

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 substring found by the regex.

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 substring found by the regex.

Output

This function returns a text

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

replaceFirst("Hello World", "l", "_")	replaceAll("Hello World", "l", "_")
"He_lo World"	"He__o Wor_d"

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

📚 Use cases and examples

Use case	JWT feature	Workflow function	Field type	Automated action	Parser functions
Clone epic, tasks and sub-tasks		Create issue			toString() toStringList() issueKeysToIssueList() replaceFirst() first() fieldValue() textOnStringList() findModify() subtasks() issuesUnderEpic()