Web Reference: Learn how to use the string replace command to remove a range of characters from a string, or replace them with a new string. See syntax, examples and related commands for string processing in Tcl. May 6, 2016 · This, however, will replace all Us with dots -- as your question's title suggests. If, however, you want only the first U replaced -- as the text of your question implies, then AxT_8041's second option is the most suitable. Apr 3, 2025 · Replace operations don't modify the original string but return a new string. The string match operation tests if a string matches a pattern. It uses glob-style patterns with *, ?, and [] as wildcards. The first test checks if the string ends with ".tcl".
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