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I am trying to add non whitespace to my javascript. I am currently checking for letters only, but now I need to add a non whitespace code to it. This is what I have:
var regexNamePattern = /^[a-zA-Z /-]{2,30}$/;
Whitespace is \s and non-whitespace is \S.
var regexNamePattern = /^\S{2,30}$/;
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for example
I would like to match three null in
Sat:null-5:00pm
Sun:null-null
but not a null in snullagain.
How to write such a regex in javascript?
I believe what you want is: \bnull\b
That translates to "word boundary, followed by the word null, followed by a word boundary"
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I want to write a regex for matching *#xxx[.]gr in js.
My regex so far :
/^(([^<>()\[\]\\.,;:\s#"]+(\.[^<>()\[\]\\.,;:\s#"]+)*)|(".+"))#((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
I want : *#xxx.gr
If I understand your specs correctly this should suit you:
/^[^<>()\[\]\\.,;:\s#"]+#[^<>()\[\]\\.,;:\s#"]{3}\[\.\][^<>()\[\]\\.,;:\s#"]{2}$/g
Demo: https://regex101.com/r/kfjAG9/2
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I need to check string if contains >< /!a-zA-Z or some of them (Also contains space). The only thing I know is a-zA-Z i need an example in C# or Javascript.
Use a "character class".
/[>< \/!a-zA-Z]/
Note that I've escaped the forward slash, since we're using forward slashes as delimiters.
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I am stuck with a regexp to test that a string contains only:
letters lowercase or uppercase
"." (dot sign)
digits
"_" (underscore sign)
any other character except above will need to be an invalid input
1dx.tex - OK
Ted_upcD.t3 - OK
$tex._ce - FAIL(invalid char$)
Thank you !
^[\w.]+$
This should do it....
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My regex pattern for alphanumeric word is as given below :
/([A-Za-z0-9])*$/
Is "testuser" a valid input string for the above pattern?
Use character class.
So use: /^[A-Za-z0-9]+$/
And yes, testuser is a valid input for the above regex.