​Numeric ​Filters

Numeric filters are used to format numbers or convert strings to numbers.

Each section below represents a built-in filter.

• abs
• number
• numberFormat

abs

The abs filter is used to obtain the absolute value.

{{ -7 | abs }}

{# output: 7 #}

number

The number filter return a parsed number from a string. If no type is passed, we try to infer the appropriate type.

{{ "12.3" | number | className }}
{# will output: java.lang.Float #}

{{ "9223372036854775807" | number('BIGDECIMAL') | className }}
{# will output: java.math.BigDecimal #}

Arguments

• type:
  • INT
  • FLOAT
  • LONG
  • DOUBLE
  • BIGDECIMAL
  • BIGINTEGER

numberFormat

The numberFormat filter is used to format a decimal number. Behind the scenes it uses java.text.DecimalFormat.

{{ 3.141592653 | numberFormat("#.##") }}

The above example will output the following:

3.14

Arguments

• format

replace

The replace filter formats a given string by replacing the placeholders (placeholders are free-form) or using regular expression:

{{ "I like %this% and %that%." | replace({'%this%': foo, '%that%': "bar"}) }}

{{ 'aa1bb2cc3dd4ee5' | replace({'(\d)': '-$1-'}, regexp=true) }}

Arguments

• replace_pairs: an object with key the search string and value the replace string
• regexp: use regexp for search and replace pattern (default is false)