Tag Link | [String_FindRegExp] | Category | String |
---|---|---|---|
Type | Substitution | Source Available | No |
Support | Preferred | Version | 5.0 |
Change | Unchanged | Data Source | Any |
Output Type | Array | Security | None |
Implementation | LCAPI | Sets | Lasso 8.5, Lasso 8.0, Lasso 7.0, Lasso 6.0, Lasso 5.0 |
[String_FindRegExp] takes two parameters: a string value and a
If groups are defined in the
The following matching symbols are available in regular expressions. Each of these symbols matches a single character. Multiple characters are matched by combining these symbols with the combination symbols in the next table.
Note - Regular expressions in Lasso require double backslashes as shown in the listing below.
a
. - Period matches any single character.
^ - Circumflex matches the beginning of a line.
$ - Dollar sign matches the end of a line.
\\... - A backslash escapes the next character. \\\\ represents a backslash.
[...] - Square brackets create a character class matching any character included inside.
[^...] - With a carat, any character other than those included inside is matched.
[a
\t - A tab character.
\r - A return character.
\n - A new
\" - A double quote.
\' - A single quote.
\\w - Matches any alphanumeric character or an underscore.
\\W - Matches any non
\\s - Matches a whitespace character (space, tab, return, etc.).
\\S - Matches a non
\\d - Matches a numeric digit.
\\D - Matches any non
The following combination symbols are used to combine matching symbols into complex expressions. For example a+ would match one or more a characters.
| - Alternation. Matches either the character before or the character after the symbol.
( ) - Grouping. Defines a named group for output. Nine pairs of parentheses can be defined.
* - Asterisk matches 0 or more repetitions of the preceding character.
+ - Plus sign matches 1 or more repetitions of the preceding character.
? - Question mark matches 0 or 1 repetitions of the preceding character.
{n} - Matches n repetitions of the preceding character.
{n,} - Matches at least n repetitions of the preceding character.
{n,m} - Matches at least n, but no more than m repetitions of the preceding character.
[String_FindRegExp: String Value,
[String_FindRegExp: String Value,
Required Parameters | |
---|---|
String Value | The string which is to be checked. |
-Find | The regular expression which is to be searched for. |
Optional Parameters | |
-IgnoreCase | If specified, case is ignored when finding the search expression within the target string. |
-Matchlimit | By default Lasso uses a recursive match limit depth of 100,000. This parameter can be used to modify the match limit if Lasso reports an error when using this tag. |
To find all email addresses within a string:
Use the [String_FindRegExp] tag. The following example returns an array of all email address in a string. The email addresses are returned complete, then separated into username and domain name.
[String_FindRegExp: 'Send email to lassodocumentation@omnipilot.com',
(Array: (lassodocumentation@omnipilot.com), (lassodocumentation), (omnipilot.com))