• R语言

  • splus 求助，怎么取字符串的某一部分？

怎么取字符串的某一部分？比如说reseum_12344x



我现在只要其中的12344x这个该怎么取？用哪个函数？谢谢先
you could use the apply function, it maybe help you.
如果字符串比较规则，就用substring，否则用regular expression去匹配



> substring('reseum_12344x',8,12)

[1] "12344"