分隔符的字符串,但也将分隔符保留为单独的标记"/>
javascript:拆分多个分隔符的字符串,但也将分隔符保留为单独的标记
我想分割一个字符串,但希望将标记以及分割符保留为单独的标记,并希望返回一个数组:
elt(a,b,c)" =>
0 = "elt"
1 = "("
2 = "a"
3 = ","
4 = "b"
5 = ","
6 = "c"
7 = ")"
我目前为止:
string = "elt(a, b, c)"
string.split(new RegExp('[-+(),*/:? ]', 'g'))
0 = "elt"
1 = "a"
2 = ""
3 = "b"
4 = ""
5 = "c"
6 = ""
我想将分隔符作为数组传递,例如:SEPERATORS = [ '+', ',', '>>>=', '>>=', '<<=',",", "("].join("")
您可以在正则表达式中使用捕获组来伪装令牌:
string.split(/([-+(),*/:? ])/g)
^ ^
|___ group __|
输出:
[
'elt', '(', 'a', ',',
'', ' ', 'b', ',',
'', ' ', 'c', ')',
''
]
您也可以轻松删除空字符串:
string.split(/([-+(),*/:? ])/g).filter(Boolean)
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javascript:拆分多个分隔符的字符串,但也将分隔符保留为单独的标记
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