Convert English string characters to uppercase or lowercase

How to convert English string letters to uppercase or lowercase in Anqi CMS template?

capfirstThe filter can capitalize the first letter of an English string. Only letters are converted.

lowerThe filter can convert all letters in an English string to lowercase.

upperThe filter can convert all letters in the English string to uppercase.

titleThe filter can convert the first letter of each word in the English string to uppercase.

Usage method

capfirstHow to use the filter:

{{ obj|capfirst }}

lowerHow to use the filter:

{{ obj|lower }}

upperHow to use the filter:

{{ obj|upper }}

titleHow to use the filter:

{{ obj|title }}

For example, to converthello there!The first letter is capitalized, it can be written like this:

{{ "hello there!"|capfirst }}
# 显示结果
Hello there!

Example Demonstration

capfirstFilter

{{ ""|capfirst }}
{{ 5|capfirst }}
{{ "h"|capfirst }}
{{ "hello there!"|capfirst }}
{{ "安企内容管理系统"|capfirst }}
# 显示结果


H
Hello there!
安企内容管理系统

lowerFilter

{{ ""|lower }}
{{ 5|lower }}
{{ "h"|lower }}
{{ "hello there!"|lower }}
{{ "HELLO THERE!"|lower }}
{{ "hELLO tHERE!"|lower }}
{{ simple.chinese_hello_world|lower }}
# 显示结果


h
hello there!
hello there!
hello there!
你好世界

upperFilter

{{ ""|upper }}
{{ 5|upper }}
{{ "h"|upper }}
{{ "hello there!"|upper }}
{{ "HELLO THERE!"|upper }}
{{ "hELLO tHERE!"|upper }}
{{ "你好世界"|upper }}
# 显示结果


H
HELLO THERE!
HELLO THERE!
HELLO THERE!
你好世界

titleFilter

{{ ""|title }}
{{ 5|title }}
{{ "h"|title }}
{{ "hello there!"|title }}
{{ "HELLO THERE!"|title }}
{{ "hELLO tHERE!"|title }}
{{ "你好世界"|title }}
# 显示结果


H
Hello There!
Hello There!
Hello There!
你好世界