php - str_replace in Twig -

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i want simple str_replace in twig template. i'm new twig , need add new filter or sth or use existing. how can this? can find list of filters available?

to replace string stored in twig variables: 

{% set twig_content_variable= 'testing replace content'%} {% set replace_value_var= 'testing' %} {% set replace_with_value_var = 'testing complete' %}   {{ twig_content_variable|replace({ (replace_value_var): replace_with_value_var }) }}

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