[RegExp->MatchesStart] Detail

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▼ [RegExp->MatchesStart]


Tag Link	[RegExp->MatchesStart]	Category	String
Type	Member	Source Available	Yes
Support	Preferred	Version	8.5
Change	New	Data Source	Any
Output Type	None	Security	None
Implementation		Sets	Lasso 8.5

▼ Description

[RegExp->MatchesStart] checks whether the replace pattern matches the start of the input string. The tag accepts a single parameter which is the position at which to check and returns true or false. The example code will return true since the find pattern matches the character at position 2 "o" even though it does not match the remainder of the input string.

▼ Syntax

[Var: 'myRegExp' = (RegExp: -Find='[aeiou]')]
[$myRegExp->(Input: 'fox')]
[$myRegExp->(MatchesStart: 2)]

▼ Parameters

Optional Parameters
Position	The integer position at which to attempt a match. The regular expression must match starting from this position. Defaults to the start of the input string.

▼ Examples

See the Lasso 8 Language Guide for examples of how to use this tag.

▼ Related Tags

Substitution
[RegExp]
Member
[RegExp->AppendReplacement] [RegExp->AppendTail] [RegExp->Find] [RegExp->FindPattern] [RegExp->GroupCount] [RegExp->IgnoreCase]	[RegExp->Input] [RegExp->MatchPosition] [RegExp->MatchString] [RegExp->Matches] [RegExp->Output] [RegExp->ReplaceAll]	[RegExp->ReplaceFirst] [RegExp->ReplacePattern] [RegExp->Reset] [RegExp->Split]

▼ Category Tags

Substitution
[String] [String_CharFromName] [String_Concatenate] [String_EndsWith] [String_Extract] [String_FindPosition] [String_FindRegExp] [String_GetUnicodeVersion] [String_Insert]	[String_IsAlpha] [String_IsAlphaNumeric] [String_IsDigit] [String_IsHexdigit] [String_IsLower] [String_IsNumeric] [String_IsPunctuation] [String_IsSpace] [String_IsUpper]	[String_Length] [String_LowerCase] [String_Remove] [String_RemoveLeading] [String_RemoveTrailing] [String_Replace] [String_ReplaceRegExp] [String_UpperCase] [String_ValidCharset]
Member
[String->Append] [String->BeginsWith] [String->CharDigitValue] [String->CharName] [String->CharType] [String->Compare] [String->CompareCodePointOrder] [String->Contains] [String->CountChar32] [String->Digit] [String->EndsWith] [String->Equals] [String->Find] [String->FoldCase] [String->Get] [String->GetNumericValue] [String->Integer] [String->IsAlnum]	[String->IsAlpha] [String->IsBase] [String->IsCntrl] [String->IsDigit] [String->IsLower] [String->IsPrint] [String->IsSpace] [String->IsTitle] [String->IsUAlphabetic] [String->IsULowerCase] [String->IsUWhiteSpace] [String->IsUpper] [String->IsWhiteSpace] [String->Lowercase] [String->Merge] [String->PadLeading] [String->PadTrailing] [String->Remove]	[String->RemoveLeading] [String->RemoveTrailing] [String->Replace] [String->Reverse] [String->Size] [String->Split] [String->Substring] [String->TitleCase] [String->ToLower] [String->ToTitle] [String->ToUpper] [String->Trim] [String->Unescape] [String->Uppercase] [String->WasKeyword] [String->isUUpperCase]