ansaurus

Question

Answer 1

+7 A:

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

or better

^[A-Za-z][\w]*$

Martin Hohenberg 2009-11-11 08:27:16

Hi Martin Hohenberg the expression is not accetping in the regular expression it is giving error thank you for response

Surya sasidhar 2009-11-11 08:30:02

which one gives the error?

Martin Hohenberg 2009-11-11 08:31:43

@Surya - make sure you escape the \ sign: try ^[A-Za-z][\\w]*$, or `@"^[A-Za-z][\w]*$"`

Kobi 2009-11-11 08:31:44

Ya Martin second expression working fine thank you

Surya sasidhar 2009-11-11 08:32:51

ok first one also working fine thank you dude

Surya sasidhar 2009-11-11 08:33:52

`[\w]` is redundant : use `^[a-zA-Z]\w*$`

Amarghosh 2009-11-11 08:35:37

Answer 2

+2 A:

Have you tried ^[A-Za-z][_A-Za-z0-9]*$ ?

Traveling Tech Guy 2009-11-11 08:27:52

Answer 3

+2 A:

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

x2 2009-11-11 08:27:54

^[A-Za-z][A-Za-z0-9]*$ regular Expression?