Regex pattern for alphanumeric, hyphen and underscore.

Question

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C#

hi I need regex that allow only alphanumeric, hyphen, underscore and space.

pls help me.

Posted 22-Jun-14 21:06pm

Yogesh Kumar Tyagi

Updated 22-Jun-14 22:02pm

v2

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Comments

Peter Leow 23-Jun-14 6:52am

Your original question did not mention space. It is not right to alter the question after we have given the correct answer to the original question. I considered this as an abuse.

Yogesh Kumar Tyagi 23-Jun-14 8:22am

sorry, but my actual requirement is alphanumeric, hyphen, underscore and space. so i edit my question

4 solutions

Solution 2

Try:

^[\w-_]+$

Posted 22-Jun-14 21:13pm

OriginalGriff

Comments

Yogesh Kumar Tyagi 23-Jun-14 4:01am

Hello sir this pattern not allow space

Solution 1

Try this:

^[a-zA-Z\d-_]+$

Read more: The 30 Minute Regex Tutorial[^]

Posted 22-Jun-14 21:12pm

Peter Leow

Comments

Yogesh Kumar Tyagi 23-Jun-14 4:00am

Hello sir this pattern not allow space

Peter Leow 23-Jun-14 6:50am

Your original question did not mention space. It is not right to alter the question after we have given the correct answer to the original question.

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Yogesh Kumar Tyagi · Accepted Answer · 2014-06-22T23:18:00

Solution 4

I solve it

New Expression is:

@"^[\w\-\s]+$"

Posted 22-Jun-14 23:18pm

Yogesh Kumar Tyagi

Updated 22-Jun-14 23:19pm

v2

Yogesh Kumar Tyagi · Accepted Answer · 2014-06-22T21:39:00

Solution 3

i use

^[A-Za-z_-][A-Za-z0-9_-]*$

Posted 22-Jun-14 21:39pm

Yogesh Kumar Tyagi