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RegEx.Substring
Queries a substring.
| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
| RegEx | 4.4 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
MBS( "RegEx.Substring"; RegExRef; Index ) More
Parameters
| Parameter | Description | Example |
|---|---|---|
| RegExRef | The reference number for the regular expression returned from RegEx.Compile. | $regex |
| Index | The index for the substring. | 0 |
Result
Returns text or error.
Description
Queries a substring.Index 0 gives whole match and index from 1 to RegEx.CaptureCount gives substrings matched.
Examples
Find seller ID in an URL:
Let ([
pattern = "^http.*\?.*&seller=(.*)$";
text = "https://www.example.com.com/gp/aag/main/ref=olp_merch_name_2?ie=UTF8&astn=B8J070KLDO&isFulfilled=1&seller=A2XKMLD9HIY1T";
regex = MBS( "RegEx.Compile"; pattern; 512+1 );
r = MBS( "RegEx.Execute"; regex; text; 0 );
r = MBS( "RegEx.Substring"; regex; 1 );
f = MBS( "RegEx.Release"; regex )
] ; r )
See also
Example Databases
This function checks for a license.
Created 26th October 2014, last changed 26th April 2023
