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Template:String split is a convenience wrapper for the split function in Module:String2. The split function splits text at boundaries specified by separator and returns the chunk for the index idx (starting at 1).
The title function capitalises the first letter of each word in the text, apart from a number of short words listed in The U.S. Government Printing Office Style Manual §3.49 "Center and side heads": a, an, the, at, by, for, in, of, on, to, up, and, as, but, or, and nor.
On Wikipedia you can use a limited version of regex called a Lua pattern to select and modify bits of text from a string. The pattern is a piece of code describing what you are looking for in the string. The symbols you an use in a pattern are: . means any individual character. ... would mean any three characters, etc. *, +, ?, and -are the ...
find_character(string,char) returns integer Description Returns the position of the start of the first occurrence of the character char in string. If the character is not found most of these routines return an invalid index value – -1 where indexes are 0-based, 0 where they are 1-based – or some value to be interpreted as Boolean FALSE.
The split point is in the middle of a string. The second case reduces to the first by splitting the string at the split point to create two new leaf nodes, then creating a new node that is the parent of the two component strings. For example, to split the 22-character rope pictured in Figure 2.3 into two equal component ropes of length 11 ...
(literal character) a in Σ denoting the set containing only the character a. Given regular expressions R and S, the following operations over them are defined to produce regular expressions: (concatenation) (RS) denotes the set of strings that can be obtained by concatenating a string accepted by R and a string accepted by S (in that order ...
This module is intended to provide access to basic string functions. ... Hence, a value of -1 is the same as selecting the last character of the string.
{{#invoke:String|sublength|s= target_string |i= start_index |len= length}} Parameters: s The string i The starting index of the substring to return. The first character of the string is assigned an index of 0. len The length of the string to return, defaults to the last character. Examples: {{#invoke:String|sublength|s= abcdefghi }} → abcdefghi