What regex can I use to match only letters, numbers, and one space between each word?

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执笔经年
执笔经年 2021-02-01 05:24

How can I create a regex expression that will match only letters and numbers, and one space between each word?

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  •  醉梦人生
    2021-02-01 05:26

    (?:[a-zA-Z0-9]+[ ])+[a-zA-Z0-9]+
    

    If I understand you correctly the above regex should work. See screenshot below:

    screenshot http://img136.imageshack.us/img136/6871/screenshotkiki056.png

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