ES|QL REPLACE function
Elastic Cloud Serverless projects are autoscaled environments, fully managed by Elastic and available on Elastic Cloud. Availability This functionality is generally available and ready for production usage. Serverless interfaces and procedures might differ from classic Elastic Stack deployments. The Elastic Stack includes Elastic's core products such as Elasticsearch, Kibana, Logstash, and Beats. Availability This functionality is generally available and ready for production usage. Unless stated otherwise on the page, this functionality is available when your Elastic Stack is deployed on Elastic Cloud Hosted, Elastic Cloud Enterprise, Elastic Cloud on Kubernetes, and self-managed environments. This documentation corresponds to the latest patch available for each minor version. If you're not using the latest patch, check the release notes for changes.
Serverless
Generally available
Stack
Generally available
Replaces regular expression matches in a string with a replacement string.
string- String expression.
regex- Regular expression.
newString-
Replacement string.
The function substitutes in the string str any match of the regular expression regex with the replacement string newStr.
| string | regex | newString | result |
|---|---|---|---|
| keyword | keyword | keyword | keyword |
| keyword | keyword | text | keyword |
| keyword | text | keyword | keyword |
| keyword | text | text | keyword |
| text | keyword | keyword | keyword |
| text | keyword | text | keyword |
| text | text | keyword | keyword |
| text | text | text | keyword |
This example replaces any occurrence of the word "World" with the word "Universe":
ROW str = "Hello World"
| EVAL str = REPLACE(str, "World", "Universe")
| str:keyword |
|---|
| Hello Universe |
This example removes all spaces:
ROW str = "Hello World"
| EVAL str = REPLACE(str, "\\\\s+", "")
| str:keyword |
|---|
| HelloWorld |