Regular expression validation start two fixed character and then after numeric fixed character

Question

0.00/5 (No votes)

See more:

, +

<pre><pre>Required Regular expression Validation Start two Fixed character and then after Numeric fixed Character.

Example:

if character start with AB then allow 20 character
- Length : additional 20 numbers. - Example : ABcD3456789012345678cc If "AB" then 20 characters. AB+20 AlphaNumeric

if character start with XY then allow 14 character
- Length : additional 14 numbers. - Example : XY0123456789012 If "XY" then 14 numbers. XY+12 numbers

(?:AB[\da-zA-Z]{20}|XY\d{14})$ i need in this expression add one condition if string not start with AB or XY then it's allow 0 to 100 character.

What I have tried:

Regex Validation Start two Fixed character and then after Numeric fixed Character

Posted 26-Aug-20 21:53pm

jacky4lad

Updated 10-Sep-20 5:38am

v3

Add a Solution

2 solutions

Solution 2

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[^]

Posted 27-Aug-20 0:40am

Patrice T

Comments

jacky4lad 10-Sep-20 11:39am

(?:AB[\da-zA-Z]{25}|CC\d{14})$ i need in this expression add one condition if string not start with AB or CC then it's allow 0 to 100 character.

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

OriginalGriff · Accepted Answer · 2020-08-26T21:59:00

Solution 1

Try:

^(AB\d{20})|(XY\d{14})$

But ... your second example doesn't match the initial description of "additional 14 digits"

Posted 26-Aug-20 21:59pm

OriginalGriff

Comments

jacky4lad 27-Aug-20 8:34am

yes, you are correct mistake i have written wrong information,Thanks for Answer.
it's for workforme.

OriginalGriff 27-Aug-20 9:03am

You're welcome!

jacky4lad 10-Sep-20 11:39am

(?:AB[\da-zA-Z]{25}|CC\d{14})$ i need in this expression add one condition if string not start with AB or CC then it's allow 0 to 100 character.

OriginalGriff 10-Sep-20 12:05pm

And?
What have you tried?
Where are you stuck?