Twig: find substring in the string

Trabla: Twig & php: find substring in the string

Solving:

Simply use in operator:

{{ 1 in [1,2,3] }}
{{ 'aa'  in 'aabcd' }}

Example:

{% if  'failed'  in  message  %}
  
       <font color="red"> {{message}} </font>

{% else %}
     
       <font color="green"> {{message}} </font>

{% endif  %}