string UNICODE_FLAT

Unicode flat: U+266D = ♭

See

https://www.compart.com/fr/unicode/U 266D

string UNICODE_NATURAL

Unicode natural: U+266E = ♮

See

https://www.compart.com/fr/unicode/U 266E

string UNICODE_SHARP

Unicode sharp: U+266F = ♯

See

https://www.compart.com/fr/unicode/U 266F

string UNICODE_DOUBLE_FLAT

Unicode double flat: U+1D12B = 𝄫

See

https://www.compart.com/en/unicode/U 1D12B

string UNICODE_DOUBLE_SHARP

Unicode double sharp: U+1D12A = 𝄪

See

https://www.compart.com/en/unicode/U 1D12A

string UNICODE_DELTA

Unicode delta: U+0394 = Δ

See

https://www.compart.com/fr/unicode/U 0394

string UNICODE_SLASHED_O

Unicode slashed-O: U+00F8 = ø

See

https://www.compart.com/fr/unicode/U 00F8

IsStyledString(string str)

Test if a string is a StyledString

Return

bool: true or nil (for false).

IsNumeric(string str)

Is str representing a number?

Return

bool: true or nil (for false)

Example

IsNumeric("-22.5") --> true
IsNumeric("-.5") --> true
IsNumeric(".12") --> true
IsNumeric("0.12") --> true
IsNumeric("1.") --> false
IsNumeric("123abc") --> false

EscapePercent(string str)

Escape a string that contain a % that can be interpreted in Lua string functions like gsub.

Return

string: % are escaped by a %.

string_split(string s, string delim)

Split the string s by a string delimiter delim.

Return

table: An array of at least one item (s if delim is not found)

Example

local t = string_split("Hello World!", " ")
print(t[1]) --> Hello
print(t[2]) --> World!

string_split_lines(string s)

Split the string s by lines, handle \r, \n and \r\n.

Return

table: A table of at least one element (s if line separator is not found)

string_join(table list, string delimiter)

Concat the elements of table list, separated by the string delimiter.

Return

string:

Example

string_join({"Anna", "Bob", "Charlie", "Dolores"}, ", ")
--> Anna, Bob, Charlie, Dolores

string_trim(string s, string toTrim, string side)

Removes toTrim at the beginning and the end of s.

Return

string: The trimmed string

Example

string_trim(" abcd\t")) --> "abcd"
string_trim(" abcd\t", nil, "left") --> "abcd\t"
string_trim(" abcd\t", "a \t") --> "bcd"
string_trim(" abcd\t", "()") --> " abcd\t"

excel_column_name(int n)

Returns the Excel column name of the n-th column.

"A" for 1, "B" for 2, "Z" for 26, "AA" for 27...

Return

string:

Example

excel_column_name(123) --> "DS"

string_time(number seconds, exact (default=false), bool clockFormat)

Converts a time (music duration, debug chrono...) into readable string.

Return

string: "10ms", "3s 456ms", "1min 14s"

Example

= 0.0102345 -- 1 second, 10,2345 ms
print(string_time(s)) --> "1.01 s"
print(string_time(s, true)) --> "1 s 10.234 ms"
print(string_time(s, false, true)) --> "00:01.010"
print(string_time(s, true, true)) --> "00:01.010234"
s = s + 2*60 -- add 2 minutes
print(string_time(s)) --> "2 min 1 s"
printEquals(string_time(s, true)) --> "2 min 1 s 10.234 ms"
print(string_time(s, false, true)) --> "02:01.010"
print(string_time(s, true, true)) --> "02:01.010234"

string_first(string a, string b)

Returns the first of a and b in alphabetical order.

Comparable to max(a,b) for numbers.

Return

string:

Example

print(string_first("Hello", "Harmony")) --> "Harmony"

string_last(string a, string b)

Returns the last of a and b in alphabetical order.

Comparable to max(a,b) for numbers.

Return

string:

Example

print(string_last("Harmony", "Assistant")) --> "Harmony"

SplitUrl(string url)

Split an URL into protocol, host, path, query and anchor.

Return

table: Table t with following structure for https://www.myriad-online.com/cgi-bin/bbs/YaBB.pl?board=MYRSCRIPT;action=display;num=1652718688#2

t.Protocol = "https"
t.Host = "www.myriad-online.com"
t.Path = "cgi-bin/bbs/YaBB.pl"
t.Query = "board=MYRSCRIPT;action=display;num=1652718688"
t.Anchor = "2"

Some of these field may be empty "" or nil

Error

if url is nil or an empty string