How to Find And Replace String Using Groovy Script?

To find and replace a string using a Groovy script, you can use the replaceAll() method. This method takes two arguments: the string to search for and the string to replace it with. For example, you can use the following syntax to replace all occurrences of a specific string in a given text:

1
2
3

def originalText = "Hello World"
def newText = originalText.replaceAll("World", "Universe")
println(newText) // Output: Hello Universe

In this example, the replaceAll() method is used to replace the string "World" with "Universe" in the originalText variable. The resulting text, "Hello Universe", is then printed to the console. You can use this method to find and replace any string in a Groovy script.

How to find and replace strings in a database query or manipulation using Groovy script?

In order to find and replace strings in a database query or manipulation using Groovy script, you can follow the steps below:

1. Connect to the database: First, establish a connection to the database using a driver like JDBC.
2. Execute the query: Execute the database query that you want to manipulate or update.
3. Get the results: Get the results of the query as a ResultSet.
4. Iterate over the results: Iterate over the ResultSet and use Groovy's String methods to find and replace the strings as needed.
5. Update the database: Update the database with the modified query string using an UPDATE statement.

Here's an example code snippet that demonstrates how to find and replace strings in a database query using Groovy script:

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13

import groovy.sql.Sql

def sql = Sql.newInstance("jdbc:mysql://localhost:3306/mydatabase", "username", "password", "com.mysql.cj.jdbc.Driver")

def query = "SELECT * FROM my_table WHERE column_name = 'old_value'"
def resultSet = sql.rows(query)

resultSet.each { row ->
    def newValue = row.column_name.replace("old_value", "new_value")
    sql.execute("UPDATE my_table SET column_name = ? WHERE id = ?", [newValue, row.id])
}

sql.close()

In this example, we first establish a connection to a MySQL database and execute a SELECT query to retrieve the data we want to manipulate. We then iterate over the results, find and replace the desired string, and update the database with the new value.

Please make sure to replace the database connection details with your own and modify the query and column names accordingly.

How to find a specific word in a string using Groovy script?

You can find a specific word in a string using Groovy script by using the contains method. Here's an example:

1
2
3
4
5
6
7
8

def myString = "This is a sample string"
def wordToFind = "sample"

if(myString.contains(wordToFind)){
    println "The word '$wordToFind' was found in the string."
} else {
    println "The word '$wordToFind' was not found in the string."
}

In this example, the contains method is used to check if the word "sample" is present in the string "This is a sample string". The script will print out whether the word was found or not found in the string.

How to perform a global find and replace in Groovy across multiple lines of text?

To perform a global find and replace in Groovy across multiple lines of text, you can use the replaceAll method on a String object. Here's an example:

1
2
3
4
5
6
7
8
9

String text = """
Line 1: This is a sample text
Line 2: This text needs to be replaced
Line 3: Another line of text
"""

String newText = text.replaceAll(/This text needs to be replaced/, "New text to replace it")

println newText

In this example, the replaceAll method is used to search for the specified text across multiple lines and replace it with the new text. You can use regular expressions to define more complex search patterns if needed.