Without a second parameter, trim () will. The trim () function returns the string with whitespace stripped from the beginning and end of the string. To remove whitespace from the beginning and end of the string in PHP, use the trim () function. "!!Something!!".TrimLeadingCharacter('!') // Result '!Something!!' (Only 1st instance removed) The trim () is a built-in PHP function that removes the characters from both sides of the string. "!Something!".TrimEndsCharacter('!') // Result 'Something' (End Characters removed) "!Something!".TrimTrailingCharacter('!') // Result '!Something' (Last Character removed) If the comma was missing it would remove the 4 in this example. "!Something!".TrimLeadingCharacter('!') // Result 'Something!' (1st Character removed) Although this would remove the last comma, it would only remove one comma. "!Something!".TrimEndsCharacter('g') // Result '!Something!' (No Change) remove first 4 characters in string php 1 xxxxxxxxxx str 'The quick brown fox jumps over the lazy dog.' str2 substr(str, 4) // 'quick brown fox jumps over the lazy dog. "!Something!".TrimTrailingCharacter('S') // Result '!Something!' (No Change) Usage "!Something!".TrimLeadingCharacter('X') // Result '!Something!' (No Change) Private static bool Match(string value, char character) => !string.IsNullOrEmpty(value) & value = character If length is given and is positive, then the sequence. I wasnt literally trying to remove 's'. The characters I wanted to remove were , regardless of how many. I should have been a bit more clear in my question. remove substring from string by entering first and last character php. Removing everything after the last instance of a specific character. If start is negative, the sequence will start that far from the end of the variable. UPDATE items SET descriptions TRIM (TRAILING '' FROM descriptions) The TRIM usage is here. PHP remove characters after last occurrence of a character in a string. If the start is non-negative, the sequence will start at that start in the variable. Public static string TrimTrailingCharacter(this string target, char character) => Match(target?.Substring(target.Length - 1, 1), character) ? target.Substring(0, target.Length - 1) : target The slice filter works as the arrayslice PHP function for arrays and mbsubstr for strings with a fallback to substr. Public static string TrimLeadingCharacter(this string target, char character) => Match(target?.Substring(0, 1), character) ? target.Remove(0,1) : target Public static string TrimEndsCharacter(this string target, char character) => target?.TrimLeadingCharacter(character).TrimTrailingCharacter(character) An example Extension class to simplify this: - internal static class String
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