How to get the result of finding string with regex?

@mac 

To get the result of finding a string with regex in most programming languages, you would typically use a regex match function or method that returns the result of the match. Here is an example in Python:

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import re

# Define the regex pattern
pattern = r'hello (w+)'

# Define the input string
input_string = 'hello world'

# Use the re.match function to find the string
result = re.match(pattern, input_string)

if result:
    # Print the result of the match
    print(result.group(1))
else:
    print('No match found')

In this example, the regex pattern r'hello (w+)' will match the word following "hello" in the input string 'hello world'. The re.match() function is used to find the match and the group() method is used to access the matched string.