Workflow activities

Last updated Feb 19, 2026

Replace

Within a specified input string, replaces strings that match a regular expression pattern with a specified replacement string.

Definition

Namespace: UiPath.Activities.System.API

Assembly: UiPath.System.Activities.Api (in UiPath.System.Activities.Api.dll)

Overloads


`Replace(String, String, String)`	Within a specified input string, replaces strings that match a regular expression pattern with a specified replacement string.
`Replace(String, String, String, Regex Options)`	Within a specified input string, replaces strings that match a regular expression pattern, and Regex options, with a specified replacement string.

`Replace(String, String, String)`

Within a specified input string, replaces strings that match a regular expression pattern with a specified replacement string.

string Replace(
    string input,
    string pattern,
    string replacement
)
string Replace(
    string input,
    string pattern,
    string replacement
)

input String : The string to be replaced.

pattern String : The regular expression pattern to match.

replacement String : The replacement string.

`Replace(String, String, String, Regex Options)`

Within a specified input string, replaces strings that match a regular expression pattern, and Regex options, with a specified replacement string.

string Replace(
    string input,
    string pattern,
    string replacement,
    RegexOptions regexOption
)
string Replace(
    string input,
    string pattern,
    string replacement,
    RegexOptions regexOption
)

input String : The string to be replaced.

pattern String : The regular expression pattern to match.

replacement String : The replacement string.

regexOption RegexOptions : A bitwise combination of the enumeration values that specify options for matching. The available options are IgnoreCase``Multiline,ExplicitCapture, Compiled, Singeline, IgnorePatternWhitespace, RightToLeft, ECMAScript, and CultureInvariant.