How to get number from string using Regex?

Question

I have the following string:

WOA: 1234-123 - Text Text Text Text

or

WOA 0123 Text Text Text

or

WOA 012345678 - Text Text Text

I need to get only Numbers from those strings (If number contains dashes inside I need those dashes too, but if dash at the end, I don't need it). I know that I could do it using ASCII codes, but with Regex it will looks much better, but my knowledge in Regex very limited, so any help, please.

Show your best attempt.

Andrew Cheong
– Andrew Cheong

2013-11-08 14:25:03 +00:00
Commented Nov 8, 2013 at 14:25 — Andrew Cheong
– Andrew Cheong, Commented Nov 8, 2013 at 14:25

anubhava · Accepted Answer · 2013-11-08 14:25:05Z

7

Probably you're looking for this regex:

[0-9]+(-[0-9]+)*

answered Nov 8, 2013 at 14:25

anubhava

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7 Comments

AutomatedChaos Over a year ago

I would suggest to put in a + char instead of ?: \d+(-\d+)+. Now it will also match on 123-456-78. TS state explicitly multiple dashes: "If number contains dashes inside I need those dashes too"

anubhava Over a year ago

Actually [0-9]+(-[0-9]+)* will be more accurate since not always hyphen will be there

AutomatedChaos Over a year ago

You all should quit ninja editing your posts after I commented on it! :)

Brian Warshaw Over a year ago

Deleted mine, because this is superior.

Bryuk Over a year ago

Thanks guys! It works, but who voted down my question? What's wrong with it?

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