This post will guide you how to use Google Sheets **REGEXREPLACE **function with syntax and examples.

**Description**

The Google Sheets REGEXREPLACE function is to replace a part of a text string with a different substring using regular expressions.

The REGEXREPLACE function can be used to replace a substring from a text string according to a given regular expression in google sheets.

The REGEXREPLACE function is a build-in function in Google Sheets and it is categorized as a **Text Function**. And The REGEXREPLACE function is one of the three REGEX functions (REGEXEXTRACT, REGEXMATCH and REGEXREPLACE )in google sheets.

**Syntax**

The syntax of the REGEXREPLACE function is as below:

**=REGEXREPLACE (text, regular_expression, replacement)**

**Where** the REGEXREPLACE function arguments are:

**text**-This is a required argument. The text string that you want to extract a substring based on regular expression.**regular_expression**– This is a required argument. The`Regular_expression`

is a regular expression. It can be used to match the part of the text that you want to extract. The regular expression argument should be entered in double-quote characters. And`Regular_expression`

is a search patterns that allow you to find a certain patterns in original text string.**Replacement**– The text which will be inserted into the original text.

**Note: **

- The REGEXREPLACE function takes two arguments. It checks whether a piece of text matches a given regular expression.
- The REGEXREPLACE function only works with text value as its first argument and returns a text result. If you wish to return a numeric value, and you need to use VALUE function in combination with the REGEXREPLACE function. If the input value is a number, and you can use the TEXT function to convert them.
- Google Sheets supports RE2 for regular expressions.

## Google Sheets REGEXREPLACE Function Examples

The below examples will show you how to use google sheets REGEXREPLACE function to replace a substring from a text according to a regular expression.

**#1** Replace all “**google**” keywords with “**mygoogle**” text string, and you can use the REGEXREPLACE function with a regular expression “**google**”, type:

=REGEXREPLACE(B1,"google","mygoogle") //it returns “mygoogle 2021 sheets 2020”

**#2** Replace all word with “**mygoogle**” substring from a string in cell B1, and you can use the REGEXREPLACE function with a regular expression “**\w+**”, type:

=REGEXREPLACE(B1,"\w+","mygoogle") //it returns “mygoogle mygoogle mygoogle mygoogle”

**#3** Replace the last whole word from a string using REGEXREPLACE function with a regular expression “**\w+$**”, type:

=REGEXREPLACE(B1,"\w+$","mygoogle") // it returns “google 2021 sheets mygoogle”

**#4** Replace all numbers with “2025” from a string in cell B1 and you can use the REGEXREPLACE function with a regular expression “**\d+**”, type:

=REGEXREPLACE(B1,"\d+","2025") // it returns “google 2025 sheets 2025”

**#5** Replate the last number with “2025” number from a string in cell B1, and you can use the REGEXREPLACE function with a regular expression “**\d+$**”, type:

=REGEXREPLACE(B1,"\d+$","2025") // it returns “google 2021 sheets 2025”