The error message angular.js:12408 is indicating a syntax error with ng-pattern in the $parse function

Here is the code I am working on:

<input ng-required="{{ ixarisCurrOpts[0].selected }}" 
      ng-pattern="[0R]{2}[a-zA-Z0-9_-]{23}" ng-click="returnFundAccGBP()" 
      ng-focus="fFundAccGBP=true" 
      ng-change="returnFundAccGBP()" ng-blur="fFundAccGBP=false" 
      ng-model="fundAccGBP" id="fundAccGBP" name="fundAccGBP" type="text" 
      placeholder="{{ fundAccRegexPrefix }}ACO_EpAn03f8X-DyWAc0n3L"
      class="form-control input-md" maxlength="25" ng-class="fFundAccGBPDef">

An issue arises when I try to run this code in Google Chrome debugger:

Error Message:

[$parse:syntax] Syntax Error: Token 'R' is unexpected, expecting []] at column 3 of the expression [[0R]{2}[a-zA-Z0-9_-]{23}] starting at [R]{2}[a-zA-Z0-9_-]{23}].

Answer №1

Expanding on previous explanations: it is important to include "^" and "$" at the start and end of your pattern, as shown below:

"/^[0R]{2}[a-zA-Z0-9_-]{23}$^/"

By doing this, you ensure that the pattern applies to the entire string from beginning to end.

Answer №2

The syntax of your ng-pattern is incorrect. It should be enclosed within forward slashes like this: /.../.

Make sure to update it to

ng-pattern="/^[0R]{2}[a-zA-Z0-9_-]{23}$/"
. This change will make it work as intended.

Additionally, the regex pattern has been updated for better functionality.

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