cfdocs

reReplace

Uses a regular expression (regex) to search a string for a string pattern and replace it with another. The search is case-sensitive.

reReplace(string, regex, substring [, scope])
returns string

Member Function Syntax

string.reReplace(regex, substring[, scope])

Argument Reference

Name Type Required Default Description Values  
string string Yes   A string or a variable that contains one    
regex string Yes   Regular expression to replace.    
substring string Yes   A string or a variable that contains one. Replaces substring with the regex match    
scope string No one * one: Replace the first occurrence of the regular
expression. Default.
* all: Replace all occurrences of the regular expression.
/Users/garethedwards/development/github/cfdocs/docs/functions/rereplace.md all

Strip Characters Using reReplace

This example strips out all characters except a-z and 0-9.

reReplace("test 123!", "[^a-z0-9]", "", "ALL")

Expected Result: test123

Extract Characters Using Back Reference

Uses a back reference: \1 to extract the pattern contained within the parenthesis.

reReplace("123abc456", "[0-9]+([a-z]+)[0-9]+", "\1")

Expected Result: abc