Split Development Tutorials, Guides & Insights

match = re.search(r'\d+', 'The price is 100 dollars')
if match:
    print(match.group())  # Output: 100

match = re.match(r'\d+', '123 apples')
if match:
    print(match.group())  # Output: 123

match = re.fullmatch(r'\d+', '12345')
if match:
    print(match.group())  # Output: 12345

matches = re.findall(r'\d+', 'There are 12 apples and 5 oranges')
print(matches)  # Output: ['12', '5']

matches = re.finditer(r'\d+', 'There are 12 apples and 5 oranges')
for match in matches:
    print(match.group())  # Output: 12 5

Reversing a string is a common task in programming, often used in interview questions or basic coding exercises. In JavaScript, you can achieve this easily with a combination of string and array methods. Let’s explore how to reverse a string step by step.

Here’s a simple JavaScript function to reverse a string: