CODEWITHSUNDEEP
asp.netregex
user166013
user166013

Reputation: 1501

Regular expression to match version numbers

I need a regular expression that is matching below criteria

For example : below should be matched

1
1134
1.1
1.4.5.6

Those below should not match:

.1
1.
1..6

Upvotes: 1

Views: 94

Answers (1)

Wiktor Stribiżew
Wiktor Stribiżew

Reputation: 626748

You can use

^\d+(\.\d+)*$

See demo

  • ^ - beginning of string
  • \d+ - 1 or more digits
  • (\.\d+)* - a group matching 0 or more sequences of . + 1 or more digits
  • $ - end of string.

You can use a non-capturing group, too: ^\d+(?:\.\d+)*$, but it is not so necessary here.

Upvotes: 5

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