Python Regex to extract maximum numeric value from a string
Given an alphanumeric string, extract maximum numeric value from that string. Alphabets will only be in lower case.
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Input : 100klh564abc365bg Output : 564 Maximum numeric value among 100, 564 and 365 is 564. Input : abchsd0sdhs Output : 0
This problem has existing solution please refer Extract maximum numeric value from a given string | Set 1 (General approach) link. We will solve this problem quickly in python using Regex. Approach is very simple,
- Find list of all integer numbers in string separated by lower case characters using re.findall(expression,string) method.
- Convert each number in form of string into decimal number and then find max of it.