sub

Search string for matches with regular expression pattern with attributes. Pass each match to delegate dg. Replace each match with the return value from dg.

string sub(string s, string pattern, string format, string attributes)
string sub(string s, string pattern, string delegate(RegExp) dg, string attributes)
string
sub
(
string s
,
string pattern
,
string delegate
(
RegExp
)
dg
,
string attributes = null
)

Parameters

s string: String to search.
pattern string: Regular expression pattern.
dg string delegate ( RegExp ): Delegate
attributes string: Regular expression attributes.

Return Value

Type: string

the resulting string.

Examples

Capitalize the letters 'a' and 'r':

s = "Strap a rocket engine on a chicken.";
sub(s, "[ar]",
   delegate char[] (RegExp m)
   {
        return toUpper(m[0]);
   },
   "g");    // result: StRAp A Rocket engine on A chicken.

sub

Parameters

Return Value

Examples

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