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Answer by Ben Aston for How to trim out a sub string value

String#replace accepts a regular expression. For example 👇

const s = '9:00:10 AM'const t = '12:10:20 AM'console.log(s.replace(/:\d{1,2}[ ]{1}/, '')) // 9:00 AMconsole.log(t.replace(/:\d{1,2}[ ]{1}/, '')) // 12:10 AM

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