The trim_start function removes a leading match of the specified regular expression.

Syntax ​

trim_start( Regex, Source )

Arguments ​

• Regex: String or regular expression to be trimmed from the beginning of Source.
• Source: A string.

Results ​

Source after trimming matches of Regex found in the beginning of Source.

Example ​

Remove leading - characters:

print trim_start(@"\-+", "---Hello, world!---")