$replace
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$replace
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Replaces a portion of a character string with another character string.
Syntax
$replace(source,position,length,string)
Parameters
| source | a character string, or an expression that evaluates to a character string |
| position | a number, or an expression that evaluates to a number |
| length | a number, or an expression that evaluates to a number |
| string | a character string, or an expression that evaluates to a character string |
Return Value
Character string, consisting of source, with the characters starting at position for a length of length replaced by the characters from string.
Comments
Use $replace to replace, in source, the characters starting at position for a length of length, with string.
In a string, the position of the first character is always 1. If position is beyond the end of source, or if position is zero or negative, then source is left unchanged.
If length is zero or negative, then string is embedded in source starting at position (effect is like $insert).
If there are fewer than length characters from position to the end of source, all characters from position to the end of source are replaced by string.
Example
$replace("abcdef",2,2,"123")Evaluates to “a123def”.
See Also
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