string index Return character from string string last Search for last occurance of substring string length Return number of characters in string string range Return range of characters in string string tolower Covert to lowercase string toupper Covert to uppercase string trim Remove leading and trailin...
first string1 string2 Returns the index first occurrence of string1 in string2. If not found, returns -1. 3 index string index Returns the character at index. 4 last string1 string2 Returns the index last occurrence of string1 in string2. If not found, returns -1. 5 length string Ret...
set str "This is a sample string" set char "a" set index [string first $char $str] if {$index != -1} { set result [string range $str [expr {$index + 1}] end] puts $result } else { puts "Character not found in the string" } 上述代码中,我们首先定义了一个字符串变量str,并...
. Matches any single character ^ Matches the null string at the start of the input string. $ Matches the null string at the end of the input string. \x Matches the character x. [chars] Matches any single character from chars. If the first character of chars is ^, the pattern ...
[string index $string 1] is the second character in \"$string\"" ;#返回 h puts "\"[string range $string 5 10]\" are characters between the 5'th and 10'th" ;#返回"is my " 2.18第 18 课:更多字符串函数 讲解: 1.字符串函数列表 序号 函数 1 string compare string1 string2 忽略...
VHDL Character Type VHDL integer Type VHDL real Type VHDL Array Types Vivado Simulator Verilog Data Format Additional Resources and Legal Notices Finding Additional Documentation Support Resources References Links to Additional Information on Third-Party Simulators Training Resources Revision ...
is a three-character string representing a symbolic general tape name. The first two characters must be alphabetic, and the third character must be alphabetic or numeric. For general tapes, the first two characters cannot be RT. reg is a register that contains a pointer to the symbolic real-...
# metacharacter usage puts stdout "Hello, World! \a" puts stdout {Hello, World! \a} set Pints 6 set Days 7 puts stdout "The answer to the \ universe is [eval $Pints * $Days]!\n" *** ~/tcltk$ ./hello2.tcl Hello, World!
However, to improve performance and prevent overloading memory buffers, the Vivado Design Suite limits and truncates the shimmered string to a default character length defined by thetcl.collectionResultDisplayLimitparameter, which has a default value of 500. Commands that can return a...
This option supports DOS file systems that use Control-z (\x1a) as an end of file marker. Ifcharis not an empty string, then this character signals end-of-file when it is encountered during input. For output, the end-of-file character is output when the channel is closed. Ifcharis th...