Bản mẫu:Trim leading/doc

Usage

{{Trim leading|<input> |<prefix> }}

Trims up to six instances of <prefix> (such as: 0 or "anti-") from the beginning of <input>. <Prefix> is set to "0" by default (for removing leading zeroes from numbers). Template will not properly work beyond the first whitespace in the input.

Limitations

• Up to 100 chararacters in the input string. If possible, first check length of input string using {{Str len}}. Using strings longer than 100 characters may result in the error "max index is 100 for str_sub".
• Limited set of characters.
• Snags on whitespace.
• Expensive.

Examples

{{Trim leading|duck duck duck goose |duck}} → duck duck goose

{{Trim leading|duckduckduckgoose |duck}} → goose

{{Trim leading|00000034 }} → 34

{{Trim leading|aaaaaa34|a }} → 34

{{Trim leading|U+0034|U+}} → 0034

{{Trim leading|anti-anti-neutrino |anti-}} → neutrino

Technical

This template uses parser function {{padleft:}} and templates {{strlen_quick}} and {{str_right}}.