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REGEX get all content after a series of special characters


REGEX get all content after a series of special characters

By : Abebech Terefe
Date : October 21 2020, 08:10 PM
This might help you I am using this regular expression to correctly get values for id and description , You may use
code :
/\$\$id=(\w+)(?:&description=(\w+))?\$\$([^$]*(?:\$(?!\$)[^$]*)*$)?/


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Regex to validate strings having only characters (without special characters but with accented characters), blank spaces

Regex to validate strings having only characters (without special characters but with accented characters), blank spaces


By : NewbieProgrammer
Date : March 29 2020, 07:55 AM
Any of those help I wrote the ^(?:[^\W_]|\s)*$ answer in the question you referred to (which actually would have been different if I'd known you wanted to allow _ and -). Not being a Ruby guy myself, I didn't realize that Ruby defaults to not using Unicode for regex matching.
Sorry for my lack of Ruby experience. What you want to do is use the u flag. That switches to Unicode (UTF-8), so accented characters are caught. Here's the pattern you want:
code :
^[\w\s-]*$
Regex to not allow String Start or End With Special Character and should not have consecutive special characters

Regex to not allow String Start or End With Special Character and should not have consecutive special characters


By : Krister
Date : March 29 2020, 07:55 AM
this one helps. I want to set a password in my application. Password should not start and end with special characters and special characters can be added between the string. It may have special characters, But it should not have consecutive special characters . Here i have the regular expression that should not allow user to not enter string's starting character and ending character with special characters . , This regex should work:
code :
/^[a-z0-9](?!.*?[^\na-z0-9]{2}).*?[a-z0-9]$/gmi
Regex Only one special character at a time from allowed special characters Javascript

Regex Only one special character at a time from allowed special characters Javascript


By : Malik Chemnitz
Date : March 29 2020, 07:55 AM
With these it helps I want to allow 3 characters 1st Underscore (_) , 2nd hyphen (-) 3rd Dot (.) , Try /^[a-z]*[-._]?[a-z]*$/
code :
var tests = ['abc.def', 'abc-def', 'abc_def', 'abc.de.f','abc.de-f' , 'abc.de_f', 'ab-cd_ef'];
$.each(tests, function(a,b) {
  $('body').append('<div>' + b + ' = ' + regIt(b) + '</div>');
});

function regIt(str) {
  return /^[a-z]*[-._]?[a-z]*$/.test(str);
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
What kind of regex can allow special characters but refuse strings that only use special characters?

What kind of regex can allow special characters but refuse strings that only use special characters?


By : Иван Иванов
Date : March 29 2020, 07:55 AM
Hope this helps You can use a negative lookahead assertion for this:
code :
@"^(?![-']*$)[-'\p{L}]*$"
^          # Start of string
(?!        # Assert that it's impossible to match...
 [-']*     # a string of only dashes and apostrophes
 $         # that extends to the end of the entire string.
)          # End of lookahead.
[-'\p{L}]* # Match the allowed characters.
$          # End of string.
Regex for accepting alphanumeric and with special characters but not special characters alone

Regex for accepting alphanumeric and with special characters but not special characters alone


By : user196148
Date : March 29 2020, 07:55 AM
wish help you to fix your issue So i need to apply some regex that checks if the text entered is alphanumeric with possible special characters, such as apostrophes, but should not accept special characters without alphanumeric characters. , You have to use
[as-is]
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