Dsa
Strings
Warm-up
Extract Digits from String
Write a function to extract all digits from a given string and form a new string containing just those digits in the order they appeared. The input will be a single line string. The output should be a string of digits. If no digits are found, return an empty string.
Example input:
abc123xyz456
Example output:
123456
Key concepts
stringsdigitsextraction
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