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A template to find the numeric position of first appearance of ''sub_string'' in ''text'' Template parameters [Edit template data] Parameter Description Type Status Text 1 The text to search within String required Sub_string 2 The string to be searched within the text String required See also
find(string,substring) returns integer Description Returns the position of the start of the first occurrence of substring in string. If the substring 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. Related instrrev
1 Examples. 2 See also. Toggle the table of contents. Template: Str startswith. 4 languages. ... It returns "yes" if the second parameter is the start of the first ...
The template takes a substring of ''text'' starting at ''start'' and containing ''length'' characters. Template parameters Parameter Description Type Status Text 1 The substring to be trimmed. String required Numeric position 2 Numeric position of the starting character within the string Number required Count 3 Number of characters for the substring Number required See also
The indices are one-based (meaning the first is number one), inclusive (meaning the indices you specify are included), and may be negative to count from the other end. For example, {{#invoke:string|sub|12345678|2|-3}} → 23456. Not all the legacy substring templates use this numbering scheme, so check the documentation of unfamiliar templates.
This template selects a sub-string from the target string based on selected indices. The indices are 1-based. If the end index is omitted, it returns the rest of the string.
string" is a substring of "substring" In formal language theory and computer science, a substring is a contiguous sequence of characters within a string. [citation needed] For instance, "the best of" is a substring of "It was the best of times". In contrast, "Itwastimes" is a subsequence of "It was the best of times", but not a substring.
Base 1: the first character is numbered 1, and so on. Any leading or trailing whitespace is removed from the string before searching. If the requested position is negative, this function will search the string counting from the last character. In other words, number = -1 is the same as asking for the last character of the string.