How do I modify this code so that it'll find the index the regex matches with. Basically suppose I had "kim" as my test expression. And my test string is "jkimsdfs". How can I show that "jkimsdfs" matches with "kim" at index 1.How do I modify this code so that it'll find th
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如何查找表达式的哪个索引与正则表达式匹配
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