What would be the regular expression for {alphabets} in C#?

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I want to create regular expression for {SID} , {MetD}, {car} which should include curly brackets as well.

What I have tried:

Regex r = new Regex(@"^{[A-Za-z]}$");

the above regular expression is not working.

Posted 7-Aug-22 18:43pm

Himansh jain

Updated 7-Aug-22 19:24pm

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OriginalGriff · Accepted Answer · 2022-08-07T19:20:00

Your regex specifies:

RegEx

^              Start of line
{              A literal '{'
[A-Za-z]       Any single upper or lower case letter.
}              A literal '}'
$              End of line

You need to add a "multiple times" indicator to that: '*' (zero or more) or '+' (one or more).
Try:

RegEx

^{[A-Za-z]+}$

If you are going to work with Regexes, then get a copy of Expresso[^] - it's free, and it examines, tests, and generates Regular expressions.

Patrice T · Accepted Answer · 2022-08-07T19:24:00

Quote:
the above regular expression is not working.

Try something like

C#

Regex r = new Regex(@"^{[A-Za-z]+}$");

Just a few interesting links to help building and debugging RegEx.
Here is a link to RegEx documentation:
perlre - perldoc.perl.org[^]
Here is links to tools to help build RegEx and debug them:
.NET Regex Tester - Regex Storm[^]
Expresso Regular Expression Tool[^]
RegExr: Learn, Build, & Test RegEx[^]
Online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript[^]
This one show you the RegEx as a nice graph which is really helpful to understand what is doing a RegEx: Debuggex: Online visual regex tester. JavaScript, Python, and PCRE.[^]
This site also show the Regex in a nice graph but can't test what match the RegEx: Regexper[^]

What would be the regular expression for {alphabets} in C#?

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