LeetCode 193: Valid Phone Numbers Solution
Master LeetCode problem 193 (Valid Phone Numbers), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
193. Valid Phone Numbers
Problem Explanation
Explanation:
To solve this problem, we can use a one-liner bash script that utilizes regular expressions to match the valid phone number formats. We can use the grep command with the -P option to specify a Perl-compatible regular expression pattern. The regular expression pattern can be constructed to match either of the two valid phone number formats: (xxx) xxx-xxxx or xxx-xxx-xxxx.
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Solution Code
// Java solution not applicable for this problem as it requires a bash scriptTry It Yourself
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