Updated on 2025-09-07 GMT+08:00

Common Operations

str_strip

Deletes specified characters from a string.

  • Format
    str_strip(value, chars)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    Original string to be modified.

    chars

    Any (automatically converted to string)

    No

    Character set to be deleted at the beginning and end of a character string. The default value is \t\r\n.

  • Returned result

    Modified string.

  • Function example
    1. Example 1: Deletes spaces.
      • Test data
        {
          "source":"      lts"
        }
      • Processing rule
        e_set("str_strip", str_strip(v("source")))
      • Processing result
        source:      lts 
        str_strip: lts
    2. Example 2: Deletes # characters at the beginning and end of a string.
      • Test data
        {
        "source": "##lts#"
        }
      • Processing rule
        e_set("str_strip", str_strip(v("source"), "#"))
      • Processing result
        "source": "##lts#"
        str_strip: lts

str_lstrip

Deletes specified characters at the beginning of a string.

  • Format
    str_lstrip(value, chars)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    Original string to be modified.

    chars

    Any (automatically converted to string)

    No

    Character set to be deleted at the beginning of a character string. The default value is a space.

  • Returned result

    Modified string.

  • Function example
    • Test data: none
    • Processing rule
      e_set("str_strip", str_lstrip("**123**", "*"))
    • Processing result
      str_strip: 123**

str_rstrip

Deletes specified characters at the end of a string.

  • Format
    str_rstrip(value, chars)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    Original string to be modified.

    chars

    Any (automatically converted to string)

    No

    Character set to be deleted at the end of a character string. The default value is a space.

  • Returned result

    Modified string.

  • Function example
    • Test data: none
    • Processing rule
      e_set("str_strip", str_rstrip("**123**", "*"))
    • Processing result
      str_strip: 123**

str_lower

Converts all uppercase characters in a string to lowercase characters.

  • Format
    str_lower(value)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    String to be converted.

  • Returned result

    String after conversion.

  • Function example
    • Test data
      {
       "name": "LTs"
      }
    • Processing rule
      e_set("str_lower", str_lower(v("name")))
    • Processing result
      name: LTs 
      str_lower: lts

str_upper

Converts all lowercase characters in a string to uppercase characters.

  • Format
    str_upper(value)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    String to be converted.

  • Returned result

    String after conversion.

  • Function example
    • Test data
      {
       "name": "LTs"
      }
    • Processing rule
      e_set("str_upper", str_upper(v("name")))
    • Processing result
      name: LTs 
      str_upper: LTS

str_title

Converts the first letter of each word in a string to uppercase and the other letters to lowercase.

  • Format
    str_title(value)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    String to be converted.

  • Returned result

    String after conversion.

  • Function example
    • Test data
      {
        "name":  "for example"
      }
    • Processing rule
      e_set("str_title", str_title(v("name")))
    • Processing result
      name:for example
      example str_title: For Exampl

str_capitalize

Converts the first letter of a string to uppercase and the other letters to lowercase.

  • Format
    str_capitalize(value)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    String to be converted.

  • Returned result

    String after conversion.

  • Function example
    • Test data
      {
        "value": "welcome to xian"
      }
    • Processing rule
      e_set("str_capitalize", str_capitalize(v("value")))
    • Processing result
      value: welcome to xian
      str_capitalize: Welcome to xian

str_swapcase

Converts the uppercase and lowercase letters of a string.

  • Format
    str_swapcase(value)
  • Parameter description

    Parameter

    Type

    Mandatory

    Description

    value

    Any (automatically converted to string)

    Yes

    String to be converted.

  • Returned result

    String after conversion.

  • Function example
    • Test data
      {
       "name": "this is lts"
      }
    • Processing rule
      e_set("str_swapcase", str_swapcase(v("name")))
    • Processing result
      name: this is lts 
      str_swapcase: THIS IS LTS