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Tag: strings

Remove unwanted characters from a PHP string with regex

Web Development

How to Remove Unwanted Characters from a String in PHP

how7o

May 22, 2026

Remove all non-numeric characters from a PHP string

Web Development

How to Remove All Non-Numeric Characters from a String in PHP

how7o

May 22, 2026

Keep only the digits in a JavaScript string with regex

Web Development

How to Keep Only Numbers in a String with JavaScript

how7o

May 22, 2026

Keep the first N characters of a JavaScript string with slice

Web Development

How to Keep Only the First N Characters of a String in JavaScript

how7o

May 22, 2026

Fix MySQL CONCAT returning NULL with COALESCE or CONCAT_WS

Web Development

How to Handle MySQL CONCAT Returning NULL

how7o

May 22, 2026

Get the first character of a PHP string with mb_substr for UTF-8

Web Development

How to Get the First Character of a String in PHP

how7o

May 22, 2026

Get the first character of a JavaScript string

Web Development

How to Get the First Character of a String in JavaScript

how7o

May 22, 2026

Format a PHP number with leading zeros — sprintf and str_pad

Web Development

How to Format a Number with Leading Zeros in PHP

how7o

May 22, 2026

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