Uses a Regular Expression (RE) to search a string for a pattern.
The search is case sensitive.
string.reFind( reg_expression=string, start=number, returnSubExpressions=boolean, scope=string, multiline=boolean )
Returns: any
| Argument |
Description |
|
reg_expression
string,
required
|
Regular expression for which to search. Case sensitive.
|
|
start
number,
optional
|
A positive integer. Position in the string at which to start search. The default value is 1.
|
|
returnSubExpressions
boolean,
optional
|
Default: false, If set true means returns the result as a struct with keys pos, match and len.
Each are an array with elements for the position and length of the match (first element), and the position and length of any matched subexpressions in the subsequent elements.
|
|
scope
string,
optional
|
One: (Default)Returns the first value that matches the regex
All: Returns all values that match the regex
|
|
multiline
boolean,
optional
|
If true indicate the regular expression should treat input as having multiple lines.
This option affects the interpretation of the ^ and $ metacharacters.
When true the ^ metacharacter matches at the beginning of every line, and the $ metacharacter matches at the end of every line.
Additionally the . metacharacter will not match newlines when true.
|
Examples
writeDump("test 123!".reFind("[0-9]+"));
writeDump("test 123".reFind("[0-9]+",7,true));
See also
