Module:String: Difference between revisions
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Parameters | Parameters | ||
s: The string to return a subset of | s: The string to return a subset of | ||
i: The | i: The first index of the substring to return, defaults to 1. | ||
j: The last index of the string to return, defaults to the last character. | j: The last index of the string to return, defaults to the last character. | ||
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if plain then | if plain then | ||
pattern = str._escapePattern( pattern ) | pattern = str._escapePattern( pattern ) | ||
replace = | replace = string.gsub( replace, "%%", "%%%%" ) --Only need to escape replacement sequences. | ||
end | end | ||
| Line 583: | Line 583: | ||
]] | ]] | ||
function str._escapePattern( pattern_str ) | function str._escapePattern( pattern_str ) | ||
return | return ( string.gsub( pattern_str, "[%(%)%.%%%+%-%*%?%[%^%$%]]", "%%%0" ) ) | ||
end | end | ||
return str | return str | ||