Replace First

Replaces the first occurrence of a regular expression in the enclosed tokens.

Fields

Regular Expression

Specify the regular expression that matches the substring to replace.

Replace With

Specify the replacement string.

Remarks

The matching instance is replaced by the string specified in the Replace with field.

For details on creating regular expressions, see:

The pattern option CASE_INSENSITIVE, DOTALL, and UNICODE_CASE are used but can be reversed using the appropriate embedded escapes.