split string wit several delimiters only once

Frost

I want to split a string with different delimiters. And also just one time... It seems I don't get it :-(. for example:

test/date-2020-02-10Xinfo

what I want is an Array like:

[test,Date,2020-02-10,info]

I tryed several things, for example:

this.informations = this.info.map(i => i.split(/(?:\/|-|X)+/));

What I get is [test,Date,2020,02,10,info]

Wiktor Stribiżew

You may use declare a regex like

/^([^\/]+)\/([^-]+)-(\d{4}-\d{2}-\d{2})X(.*)/

See the regex demo.

Details:

  • ^ - start of string
  • ([^\/]+) - Group 1: one or more chars other than /
  • \/ - a / char
  • ([^-]+) - Group 2: one or more chars other than -
  • - - a - char
  • (\d{4}-\d{2}-\d{2}) - Group 3: four digits, -, two digits, -, two digits
  • X - X char
  • (.*) - Group 4: the rest of the string.

Use it like

this.info.map(i => i.match(regex).slice(1));

The .slice(1) will remove the first item from the result array String#match(RegExp) returns, i.e. the whole match value (since you only need the captured substrings).

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