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Fix incorrectly corrected string #1646

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Merged
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Jan 9, 2024
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Fix incorrectly corrected string #1646

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2 changes: 1 addition & 1 deletion docs/books/admin_guide/15-three-swordsmen.md
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Expand Up @@ -2706,7 +2706,7 @@ Like most programming languages, `awk` also supports arrays, which are divided i
| index(s,t) | Returns the index position of the string "t" in the string "s" (the string index starts from 1). If the function returns 0, it means it does not exist |
| length([s]) | Returns the length of "s" |
| match(s,r[,a])| Test whether the string "s" contains the string "r". If included, return the index position of "r" within it (string index starting from 1). If not, return 0 |
| split(s,a[,r[,seps]])| Split string "s" into an array "a" based on the delimiter "steps". The subscript of the array starts with 1.|
| split(s,a[,r[,seps]])| Split string "s" into an array "a" based on the delimiter "seps". The subscript of the array starts with 1.|
| substr(s,i[,n]) | Intercept the string. "s" represents the string to be processed; "i" indicates the index position of the string; "n" is the length. If you do not specify "n", it means to intercept all remaining parts|
| tolower(str) | Converts all strings to lowercase |
| toupper(str) | Converts all strings to uppercase |
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