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RegEx.Substring

Queries a substring.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
RegEx 4.4 Yes Yes Yes Yes Yes

MBS( "RegEx.Substring"; RegExRef; Index )

Parameters

Parameter Description Example value
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.Free"; regex )
] ; r )

See also

Example Databases

Created 26th October 2014, last changed 9th June 2017


RegEx.Study   -   RegEx.SubstringList

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