length

length

📝 String

Return the number of characters in a string

Signature length(string) → number

Returns

number

The count of characters in the string; null if input is null

The length function returns the number of characters in the input string.

Parameters

• string — The input string to measure

Edge Cases

• If string is null, returns null
• Empty string "" has length 0
• Spaces are counted: length("hello world") returns 11
• Counts Unicode characters correctly

Examples

| where length(message) > 100

Matches records where message is longer than 100 characters.

| eval log_size_category = if(length(raw_log) > 10000, "large", "small")

Categorizes logs by size.

| stats avg(length(message)) by level

Calculates average message length by log level.

Used In

• eval — to create or transform numeric fields from strings