如何使用PHP删除动态内容中的字符串？ [重复]

Question

This question already has an answer here:

• How to remove all numbers from string? 5 answers

I have a dynamic strings that outputs,

test-only
test-only-1
test-only-12
sample-only-2
sample-test-55
etc...

I would like to ask, how can i remove -1,-12,-2, -55 dynamically using php?

Thanks!

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Answer 1

preg_replace('/-[0-9]+$/', '', $string);